style: apply fixes for eslint issues [cw-3590] (#10210)

These fixes are all auto generated and can be merged directly

Fixes the following issues

1. Event used on components should be hypenated
2. Attribute orders in components
3. Use `unmounted` instead of `destroyed`
4. Add explicit `emits` declarations for components, autofixed [using
this
script](https://gist.github.com/scmmishra/6f549109b96400006bb69bbde392eddf)


We ignore the top level v-if for now, we will fix it later

app/javascript/widget/components/ChatInputWrap.vue

@@ -76,7 +76,7 @@ export default {
       }
     },
   },
-  destroyed() {
+  unmounted() {
     document.removeEventListener('keypress', this.handleEnterKeyPress);
   },
   mounted() {
@@ -149,8 +149,8 @@ export default {
       :placeholder="$t('CHAT_PLACEHOLDER')"
       class="form-input user-message-input is-focused"
       :class="inputColor"
-      @typingOff="onTypingOff"
-      @typingOn="onTypingOn"
+      @typing-off="onTypingOff"
+      @typing-on="onTypingOn"
       @focus="onFocus"
       @blur="onBlur"
     />