feat: Eslint rules (#9839)

# Pull Request Template

## Description

This PR adds new eslint rules to the code base.

**Error rules**

|    Rule name     | Type | Files updated |
| ----------------- | --- | - |
| `vue/block-order`  | error  |  ✅  |
| `vue/component-name-in-template-casing`  | error  |  ✅  |
| `vue/component-options-name-casing`  | error  |  ✅  |
| `vue/custom-event-name-casing`  | error  |  ✅  |
| `vue/define-emits-declaration`  | error  |  ✅  |
| `vue/no-unused-properties`  | error  |  ✅  |
| `vue/define-macros-order`  | error  |  ✅  |
| `vue/define-props-declaration`  | error  |  ✅  |
| `vue/match-component-import-name`  | error  |  ✅  |
| `vue/next-tick-style`  | error  |  ✅  |
| `vue/no-bare-strings-in-template`  | error  |  ✅  |
| `vue/no-empty-component-block`  | error  |  ✅  |
| `vue/no-multiple-objects-in-class`  | error  |  ✅  |
| `vue/no-required-prop-with-default`  | error  |  ✅  |
| `vue/no-static-inline-styles`  | error  |  ✅  |
| `vue/no-template-target-blank`  | error  |  ✅  |
| `vue/no-this-in-before-route-enter`  | error  |  ✅  |
| `vue/no-undef-components`  | error  |  ✅  |
| `vue/no-unused-emit-declarations`  | error  |  ✅  |
| `vue/no-unused-refs`  | error  |  ✅  |
| `vue/no-use-v-else-with-v-for`  | error  |  ✅  |
| `vue/no-useless-v-bind`  | error  |  ✅  |
| `vue/no-v-text`  | error  |  ✅  |
| `vue/padding-line-between-blocks`  | error  |  ✅  |
| ~`vue/prefer-prop-type-boolean-first`~ | ~error~ | ❌ (removed this
rule, cause a bug in displaying custom attributes) |
| `vue/prefer-separate-static-class`  | error  |  ✅  |
| `vue/prefer-true-attribute-shorthand`  | error  |  ✅  |
| `vue/require-explicit-slots`  | error  |  ✅  |
| `vue/require-macro-variable-name`  | error  |  ✅  |


**Warn rules**

|    Rule name     | Type | Files updated |
| ---- | ------------- | ------------- |
| `vue/no-root-v-if`  | warn  |  ❎  |


Fixes https://linear.app/chatwoot/issue/CW-3492/vue-eslint-rules

## Type of change

- [x] New feature (non-breaking change which adds functionality)


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Fayaz Ahmed <fayazara@gmail.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/modules/widget-preview/components/Widget.vue

@@ -1,52 +1,3 @@
-<template>
-  <div class="widget-preview-container">
-    <div v-if="isWidgetVisible" class="screen-selector">
-      <input-radio-group
-        name="widget-screen"
-        :items="widgetScreens"
-        :action="handleScreenChange"
-      />
-    </div>
-    <div v-if="isWidgetVisible" class="widget-wrapper">
-      <WidgetHead :config="getWidgetHeadConfig" />
-      <div>
-        <WidgetBody :config="getWidgetBodyConfig" />
-        <WidgetFooter :config="getWidgetFooterConfig" />
-        <div class="branding">
-          <a class="branding-link">
-            <img class="branding-image" :src="globalConfig.logoThumbnail" />
-            <span>
-              {{
-                useInstallationName(
-                  $t('INBOX_MGMT.WIDGET_BUILDER.BRANDING_TEXT'),
-                  globalConfig.installationName
-                )
-              }}
-            </span>
-          </a>
-        </div>
-      </div>
-    </div>
-    <div class="widget-bubble" :style="getBubblePositionStyle">
-      <button
-        class="bubble"
-        :class="getBubbleTypeClass"
-        :style="{ background: color }"
-        @click="toggleWidget"
-      >
-        <img
-          v-if="!isWidgetVisible"
-          src="~dashboard/assets/images/bubble-logo.svg"
-          alt=""
-        />
-        <div>
-          {{ getWidgetBubbleLauncherTitle }}
-        </div>
-      </button>
-    </div>
-  </div>
-</template>
-
 <script>
 import WidgetHead from './WidgetHead.vue';
 import WidgetBody from './WidgetBody.vue';
@@ -75,7 +26,6 @@ export default {
     },
     websiteName: {
       type: String,
-      default: '',
       required: true,
     },
     logo: {
@@ -198,6 +148,55 @@ export default {
 };
 </script>
 
+<template>
+  <div class="widget-preview-container">
+    <div v-if="isWidgetVisible" class="screen-selector">
+      <InputRadioGroup
+        name="widget-screen"
+        :items="widgetScreens"
+        :action="handleScreenChange"
+      />
+    </div>
+    <div v-if="isWidgetVisible" class="widget-wrapper">
+      <WidgetHead :config="getWidgetHeadConfig" />
+      <div>
+        <WidgetBody :config="getWidgetBodyConfig" />
+        <WidgetFooter :config="getWidgetFooterConfig" />
+        <div class="branding">
+          <a class="branding-link">
+            <img class="branding-image" :src="globalConfig.logoThumbnail" />
+            <span>
+              {{
+                useInstallationName(
+                  $t('INBOX_MGMT.WIDGET_BUILDER.BRANDING_TEXT'),
+                  globalConfig.installationName
+                )
+              }}
+            </span>
+          </a>
+        </div>
+      </div>
+    </div>
+    <div class="widget-bubble" :style="getBubblePositionStyle">
+      <button
+        class="bubble"
+        :class="getBubbleTypeClass"
+        :style="{ background: color }"
+        @click="toggleWidget"
+      >
+        <img
+          v-if="!isWidgetVisible"
+          src="~dashboard/assets/images/bubble-logo.svg"
+          alt=""
+        />
+        <div>
+          {{ getWidgetBubbleLauncherTitle }}
+        </div>
+      </button>
+    </div>
+  </div>
+</template>
+
 <style lang="scss" scoped>
 .screen-selector {
   display: flex;