feat: Replace alertMixin usage with useAlert (#9793)

# Pull Request Template

## Description

This PR will replace the usage of `alertMixin` from the code base with
the `useAlert` composable.

Fixes
https://linear.app/chatwoot/issue/CW-3462/replace-alertmixin-usage-with-usealert

## Type of change

- [x] Breaking change (fix or feature that would cause existing
functionality not to work as expected)

## How Has This Been Tested?

Please refer this issue description

https://linear.app/chatwoot/issue/CW-3462/replace-alertmixin-usage-with-usealert


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [ ] 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/ChatList.vue

@@ -116,6 +116,7 @@
 
 <script>
 import { mapGetters } from 'vuex';
+import { useAlert } from 'dashboard/composables';
 import VirtualList from 'vue-virtual-scroll-list';
 
 import ChatListHeader from './ChatListHeader.vue';
@@ -130,7 +131,6 @@ import filterQueryGenerator from '../helper/filterQueryGenerator.js';
 import AddCustomViews from 'dashboard/routes/dashboard/customviews/AddCustomViews.vue';
 import DeleteCustomViews from 'dashboard/routes/dashboard/customviews/DeleteCustomViews.vue';
 import ConversationBulkActions from './widgets/conversation/conversationBulkActions/Index.vue';
-import alertMixin from 'shared/mixins/alertMixin';
 import filterMixin from 'shared/mixins/filterMixin';
 import uiSettingsMixin from 'dashboard/mixins/uiSettings';
 import languages from 'dashboard/components/widgets/conversation/advancedFilterItems/languages';
@@ -160,7 +160,6 @@ export default {
   mixins: [
     conversationMixin,
     keyboardEventListenerMixins,
-    alertMixin,
     filterMixin,
     uiSettingsMixin,
   ],
@@ -810,7 +809,7 @@ export default {
         });
         this.$store.dispatch('bulkActions/clearSelectedConversationIds');
         if (conversationId) {
-          this.showAlert(
+          useAlert(
             this.$t(
               'CONVERSATION.CARD_CONTEXT_MENU.API.AGENT_ASSIGNMENT.SUCCESFUL',
               {
@@ -820,10 +819,10 @@ export default {
             )
           );
         } else {
-          this.showAlert(this.$t('BULK_ACTION.ASSIGN_SUCCESFUL'));
+          useAlert(this.$t('BULK_ACTION.ASSIGN_SUCCESFUL'));
         }
       } catch (err) {
-        this.showAlert(this.$t('BULK_ACTION.ASSIGN_FAILED'));
+        useAlert(this.$t('BULK_ACTION.ASSIGN_FAILED'));
       }
     },
     async assignPriority(priority, conversationId = null) {
@@ -838,7 +837,7 @@ export default {
             newValue: priority,
             from: 'Context menu',
           });
-          this.showAlert(
+          useAlert(
             this.$t('CONVERSATION.PRIORITY.CHANGE_PRIORITY.SUCCESSFUL', {
               priority,
               conversationId,
@@ -881,7 +880,7 @@ export default {
           conversationId,
           teamId: team.id,
         });
-        this.showAlert(
+        useAlert(
           this.$t(
             'CONVERSATION.CARD_CONTEXT_MENU.API.TEAM_ASSIGNMENT.SUCCESFUL',
             {
@@ -891,7 +890,7 @@ export default {
           )
         );
       } catch (error) {
-        this.showAlert(
+        useAlert(
           this.$t('CONVERSATION.CARD_CONTEXT_MENU.API.TEAM_ASSIGNMENT.FAILED')
         );
       }
@@ -908,7 +907,7 @@ export default {
         });
         this.$store.dispatch('bulkActions/clearSelectedConversationIds');
         if (conversationId) {
-          this.showAlert(
+          useAlert(
             this.$t(
               'CONVERSATION.CARD_CONTEXT_MENU.API.LABEL_ASSIGNMENT.SUCCESFUL',
               {
@@ -918,10 +917,10 @@ export default {
             )
           );
         } else {
-          this.showAlert(this.$t('BULK_ACTION.LABELS.ASSIGN_SUCCESFUL'));
+          useAlert(this.$t('BULK_ACTION.LABELS.ASSIGN_SUCCESFUL'));
         }
       } catch (err) {
-        this.showAlert(this.$t('BULK_ACTION.LABELS.ASSIGN_FAILED'));
+        useAlert(this.$t('BULK_ACTION.LABELS.ASSIGN_FAILED'));
       }
     },
     async onAssignTeamsForBulk(team) {
@@ -934,9 +933,9 @@ export default {
           },
         });
         this.$store.dispatch('bulkActions/clearSelectedConversationIds');
-        this.showAlert(this.$t('BULK_ACTION.TEAMS.ASSIGN_SUCCESFUL'));
+        useAlert(this.$t('BULK_ACTION.TEAMS.ASSIGN_SUCCESFUL'));
       } catch (err) {
-        this.showAlert(this.$t('BULK_ACTION.TEAMS.ASSIGN_FAILED'));
+        useAlert(this.$t('BULK_ACTION.TEAMS.ASSIGN_FAILED'));
       }
     },
     async onUpdateConversations(status, snoozedUntil) {
@@ -950,9 +949,9 @@ export default {
           snoozed_until: snoozedUntil,
         });
         this.$store.dispatch('bulkActions/clearSelectedConversationIds');
-        this.showAlert(this.$t('BULK_ACTION.UPDATE.UPDATE_SUCCESFUL'));
+        useAlert(this.$t('BULK_ACTION.UPDATE.UPDATE_SUCCESFUL'));
       } catch (err) {
-        this.showAlert(this.$t('BULK_ACTION.UPDATE.UPDATE_FAILED'));
+        useAlert(this.$t('BULK_ACTION.UPDATE.UPDATE_FAILED'));
       }
     },
     toggleConversationStatus(conversationId, status, snoozedUntil) {
@@ -963,7 +962,7 @@ export default {
           snoozedUntil,
         })
         .then(() => {
-          this.showAlert(this.$t('CONVERSATION.CHANGE_STATUS'));
+          useAlert(this.$t('CONVERSATION.CHANGE_STATUS'));
           this.isLoading = false;
         });
     },