feat: Adds the ability to sort conversations (#6853)

* Add sort filter

* Change UI

* Change filter

* Complete sort by filters

* Style fixes

* Fix default sort

* Update app/javascript/dashboard/components/widgets/conversation/ConversationBasicFilter.vue

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

* Update app/javascript/dashboard/components/widgets/conversation/ConversationBasicFilter.vue

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

* Update app/javascript/dashboard/components/ChatList.vue

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

* Added translation

* Added review fixes

* Add more updates

* Code cleanups

* Update last_activity_at on message received event

* Cleans up the design for chatlist and icons

* Fix sort

* Remove inline styles

* Add tag along with the title

---------

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Pranav Raj S <pranav@chatwoot.com>
Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>

app/javascript/shared/components/ui/dropdown/DropdownSubMenu.vue

@@ -1,7 +1,7 @@
 <template>
   <li class="sub-menu-container">
     <ul class="sub-menu-li-container">
-      <woot-dropdown-header :title="title" />
+      <woot-dropdown-header v-if="title" :title="title" />
       <slot />
     </ul>
   </li>