further improvements

src/app/shared/chat/group-messages/group-messages.module.ts

@@ -12,17 +12,18 @@ import { SharedModule } from 'src/app/shared/shared.module';
 import { ChatPopoverPageModule } from '../../popover/chat-popover/chat-popover.module';
 import { NewEventPageModule } from '../../agenda/new-event/new-event.module';
 import { PdfViewerModule } from 'ng2-pdf-viewer';
+import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
 
 @NgModule({
   imports: [
     CommonModule,
     FormsModule,
     IonicModule,
+    FontAwesomeModule,
     PdfViewerModule,
     ChatPopoverPageModule,
     GroupMessagesPageRoutingModule,
     //
-    PdfViewerModule,
   ],
   exports: [GroupMessagesPage],
   schemas: [CUSTOM_ELEMENTS_SCHEMA],