feat: UI to show the SLA threshold in chat screen (#9146)

- UI will show the breach in the conversation list.
- UI will show the breach in the conversation header.

Fixes: https://linear.app/chatwoot/issue/CW-3146/update-the-ui-to-show-the-breach-in-the-conversation-list
Fixes: https://linear.app/chatwoot/issue/CW-3144/ui-update-to-show-the-breachgoing-to-breach

app/javascript/dashboard/mixins/conversation/labelMixin.js

@@ -8,6 +8,7 @@ export default {
         this.conversationId
       );
     },
+    // TODO - Get rid of this from the mixin
     activeLabels() {
       return this.accountLabels.filter(({ title }) =>
         this.savedLabels.includes(title)