Improve

src/app/pages/chat/edit-group/edit-group.page.ts

@@ -1,6 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { ModalController, NavParams, PickerController } from '@ionic/angular';
 import { ChatService } from 'src/app/services/chat.service';
+import { ThemeService } from 'src/app/services/theme.service'
 
 @Component({
   selector: 'app-edit-group',
@@ -21,6 +22,7 @@ export class EditGroupPage implements OnInit {
     private pickerController: PickerController,
     private chatService: ChatService,
     private navParams: NavParams,
+    public ThemeService: ThemeService
   ) {
     this.roomId = this.navParams.get('roomId');
    }