fix: Disable "none" option from agent dropdown If agent is not selected (#2687)

app/javascript/dashboard/mixins/agentMixin.js

@@ -10,9 +10,14 @@ export default {
     ...mapGetters({
       currentUser: 'getCurrentUser',
     }),
+    isAgentSelected() {
+      return this.currentChat?.meta?.assignee;
+    },
     agentsList() {
       const agents = this.assignableAgents || [];
       return [
+        ...(this.isAgentSelected
+          ? [
               {
                 confirmed: true,
                 name: 'None',
@@ -21,6 +26,8 @@ export default {
                 account_id: 0,
                 email: 'None',
               },
+            ]
+          : []),
         ...agents,
       ].map(item =>
         item.id === this.currentUser.id

app/javascript/dashboard/mixins/specs/agentMixin.spec.js

@@ -24,7 +24,10 @@ describe('agentMixin', () => {
       title: 'TestComponent',
       mixins: [agentMixin],
       data() {
-        return { inboxId: 1 };
+        return {
+          inboxId: 1,
+          currentChat: { meta: { assignee: { name: 'John' } } },
+        };
       },
       computed: {
         assignableAgents() {