feat: Move timeMixin to a helper (#9799)

# Pull Request Template

## Description

This PR will replace the usage of `timeMixin` with `timeHelper`

Fixes
https://linear.app/chatwoot/issue/CW-3451/move-time-mixin-to-a-helper

## Type of change

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

## How Has This Been Tested?

Please refer to this issue description.
https://linear.app/chatwoot/issue/CW-3451/move-time-mixin-to-a-helper

## 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: Sojan Jose <sojan@pepalo.com>

app/javascript/dashboard/components/ui/TimeAgo.vue

@@ -5,7 +5,7 @@
       delay: { show: 1500, hide: 0 },
       hideOnClick: true,
     }"
-    class="text-xxs text-slate-500 dark:text-slate-500 leading-4 ml-auto hover:text-slate-900 dark:hover:text-slate-100"
+    class="ml-auto leading-4 text-xxs text-slate-500 dark:text-slate-500 hover:text-slate-900 dark:hover:text-slate-100"
   >
     <span>{{ `${createdAtTime} • ${lastActivityTime}` }}</span>
   </div>
@@ -16,11 +16,14 @@ const MINUTE_IN_MILLI_SECONDS = 60000;
 const HOUR_IN_MILLI_SECONDS = MINUTE_IN_MILLI_SECONDS * 60;
 const DAY_IN_MILLI_SECONDS = HOUR_IN_MILLI_SECONDS * 24;
 
-import timeMixin from 'dashboard/mixins/time';
+import {
+  dynamicTime,
+  dateFormat,
+  shortTimestamp,
+} from 'shared/helpers/timeHelper';
 
 export default {
   name: 'TimeAgo',
-  mixins: [timeMixin],
   props: {
     isAutoRefreshEnabled: {
       type: Boolean,
@@ -37,17 +40,17 @@ export default {
   },
   data() {
     return {
-      lastActivityAtTimeAgo: this.dynamicTime(this.lastActivityTimestamp),
-      createdAtTimeAgo: this.dynamicTime(this.createdAtTimestamp),
+      lastActivityAtTimeAgo: dynamicTime(this.lastActivityTimestamp),
+      createdAtTimeAgo: dynamicTime(this.createdAtTimestamp),
       timer: null,
     };
   },
   computed: {
     lastActivityTime() {
-      return this.shortTimestamp(this.lastActivityAtTimeAgo);
+      return shortTimestamp(this.lastActivityAtTimeAgo);
     },
     createdAtTime() {
-      return this.shortTimestamp(this.createdAtTimeAgo);
+      return shortTimestamp(this.createdAtTimeAgo);
     },
     createdAt() {
       const createdTimeDiff = Date.now() - this.createdAtTimestamp * 1000;
@@ -56,9 +59,9 @@ export default {
         ? `${this.$t('CHAT_LIST.CHAT_TIME_STAMP.CREATED.LATEST')} ${
             this.createdAtTimeAgo
           }`
-        : `${this.$t(
-            'CHAT_LIST.CHAT_TIME_STAMP.CREATED.OLDEST'
-          )} ${this.dateFormat(this.createdAtTimestamp)}`;
+        : `${this.$t('CHAT_LIST.CHAT_TIME_STAMP.CREATED.OLDEST')} ${dateFormat(
+            this.createdAtTimestamp
+          )}`;
     },
     lastActivity() {
       const lastActivityTimeDiff =
@@ -70,7 +73,7 @@ export default {
           }`
         : `${this.$t(
             'CHAT_LIST.CHAT_TIME_STAMP.LAST_ACTIVITY.NOT_ACTIVE'
-          )} ${this.dateFormat(this.lastActivityTimestamp)}`;
+          )} ${dateFormat(this.lastActivityTimestamp)}`;
     },
     tooltipText() {
       return `${this.createdAt}
@@ -79,10 +82,10 @@ export default {
   },
   watch: {
     lastActivityTimestamp() {
-      this.lastActivityAtTimeAgo = this.dynamicTime(this.lastActivityTimestamp);
+      this.lastActivityAtTimeAgo = dynamicTime(this.lastActivityTimestamp);
     },
     createdAtTimestamp() {
-      this.createdAtTimeAgo = this.dynamicTime(this.createdAtTimestamp);
+      this.createdAtTimeAgo = dynamicTime(this.createdAtTimestamp);
     },
   },
   mounted() {
@@ -96,10 +99,8 @@ export default {
   methods: {
     createTimer() {
       this.timer = setTimeout(() => {
-        this.lastActivityAtTimeAgo = this.dynamicTime(
-          this.lastActivityTimestamp
-        );
-        this.createdAtTimeAgo = this.dynamicTime(this.createdAtTimestamp);
+        this.lastActivityAtTimeAgo = dynamicTime(this.lastActivityTimestamp);
+        this.createdAtTimeAgo = dynamicTime(this.createdAtTimestamp);
         this.createTimer();
       }, this.refreshTime());
     },