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/views/Home.vue

@@ -103,7 +103,7 @@ export default {
         :available-agents="availableAgents"
         :has-conversation="!!conversationSize"
         :unread-count="unreadMessageCount"
-        @startConversation="startConversation"
+        @start-conversation="startConversation"
       />
     </div>
     <div v-if="showArticles" class="w-full px-4 py-2">
@@ -116,7 +116,7 @@ export default {
           "
           :articles="popularArticles"
           @view="openArticleInArticleViewer"
-          @viewAll="viewAllArticles"
+          @view-all="viewAllArticles"
         />
       </div>
     </div>