feat: Rewrite configMixin to a composable (#9921)

# Pull Request Template

## Description

This PR will replace the usage of `configMixin` with the `useConfig`
composable.

**Files updated**
1. dashboard/components/layout/sidebarComponents/SecondaryNavItem.vue
2. dashboard/components/widgets/conversation/MessagesView.vue
3. dashboard/routes/dashboard/settings/inbox/Settings.vue **(Not used)**
4. dashboard/routes/dashboard/settings/inbox/FinishSetup.vue **(Not
used)**
5.
dashboard/routes/dashboard/settings/inbox/settingsPage/CollaboratorsPage.vue
6.
dashboard/routes/dashboard/settings/profile/NotificationPreferences.vue
**(Not used)**
7. dashboard/routes/dashboard/settings/profile/AudioNotifications.vue
**(Not used)**
8. dashboard/routes/dashboard/settings/sla/Index.vue **(Not used)**
9. dashboard/routes/dashboard/settings/account/Index.vue
10. survey/views/Response.vue **(Not used)**

Fixes
https://linear.app/chatwoot/issue/CW-3464/rewrite-configmixin-mixin-to-a-composable

## Type of change

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

## How Has This Been Tested?

Test in the component related pages


## 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

app/javascript/dashboard/components/widgets/conversation/MessagesView.vue

@@ -1,6 +1,7 @@
 <script>
 import { ref } from 'vue';
 // composable
+import { useConfig } from 'dashboard/composables/useConfig';
 import { useKeyboardEvents } from 'dashboard/composables/useKeyboardEvents';
 
 // components
@@ -14,7 +15,6 @@ import { mapGetters } from 'vuex';
 
 // mixins
 import inboxMixin, { INBOX_FEATURES } from 'shared/mixins/inboxMixin';
-import configMixin from 'shared/mixins/configMixin';
 import aiMixin from 'dashboard/mixins/aiMixin';
 
 // utils
@@ -40,7 +40,7 @@ export default {
     Banner,
     ConversationLabelSuggestion,
   },
-  mixins: [inboxMixin, configMixin, aiMixin],
+  mixins: [inboxMixin, aiMixin],
   props: {
     isContactPanelOpen: {
       type: Boolean,
@@ -54,6 +54,7 @@ export default {
   setup() {
     const conversationFooterRef = ref(null);
     const isPopOutReplyBox = ref(false);
+    const { isEnterprise } = useConfig();
 
     const closePopOutReplyBox = () => {
       isPopOutReplyBox.value = false;
@@ -72,6 +73,7 @@ export default {
     useKeyboardEvents(keyboardEvents, conversationFooterRef);
 
     return {
+      isEnterprise,
       conversationFooterRef,
       isPopOutReplyBox,
       closePopOutReplyBox,