generate fix

src/app/shared/chat/messages/contacts/contacts.page.html

@@ -31,7 +31,7 @@
 
   <div class="main-content">
 
-    <ion-virtual-scroll [items]="ChatSystemService.users | filter:textSearch: 'name'" approxItemHeight="70px" [headerFn]="separateLetter">
+    <ion-virtual-scroll [items]="userList" approxItemHeight="70px" [headerFn]="separateLetter">
 
       <div class="item-divider" *virtualHeader="let header">
         <ion-label>{{header}}</ion-label>

src/app/shared/chat/messages/contacts/contacts.page.ts

@@ -28,6 +28,9 @@ export class ContactsPage implements OnInit {
   @Output() backToChat:EventEmitter<any> = new EventEmitter<any>();
   @Output() closeAllDesktopComponents:EventEmitter<any> = new EventEmitter<any>();  
 
+
+  userList = this.ChatSystemService.users
+
   constructor(
     private modalController: ModalController,
     private chatService: ChatService,
@@ -46,7 +49,14 @@ export class ContactsPage implements OnInit {
   }
 
   onChange(event) {
-    this.textSearch = event.detail.value;
+
+    this.textSearch = event.detail.value.toLowerCase();
+
+    this.userList = this.ChatSystemService.users.filter((e) => {
+      const username = e.name.toLowerCase()
+      return username.includes(this.textSearch)
+    })
+    
   }
 
   openMessagesPage(username:string) {