chore(*): Fixed lint errors in new samples

Author: gedinakova

src/app/interactions/chat/features-sample/features-sample.component.ts

@@ -1,5 +1,5 @@
 import { AsyncPipe } from '@angular/common';
-import { ChangeDetectorRef, Component, effect, signal, viewChild } from '@angular/core';
+import { Component, effect, signal, viewChild } from '@angular/core';
 import { IgxChatComponent, IgxChatMessageContextDirective, IgxChatOptions } from 'igniteui-angular';
 import { MarkdownPipe } from 'igniteui-angular/chat-extras';
 
@@ -71,9 +71,9 @@ export class ChatFeaturesSampleComponent {
 
     public templates = signal({});
 
-    constructor(private cdr: ChangeDetectorRef) {
+    constructor() {
         effect(() => {
-            this.templates.set({ messageContent: this._messageContent(), messageHeader: this._messageHeader(), suggestionPrefix: this._suggestionPrefix() } );
+            this.templates.set({ messageContent: this._messageContent(), messageHeader: this._messageHeader(), suggestionPrefix: this._suggestionPrefix() });
         });
 
     }

src/app/interactions/chat/overview-sample/overview-sample.component.ts

@@ -72,7 +72,7 @@ export class ChatOverviewSampleComponent {
             id: Date.now().toString(),
             text: responseText,
             sender: 'support',
-            timestamp: Date.now().toString(),
+            timestamp: Date.now().toString()
         };
 
         this.draftMessage = { text: '', attachments: [] };