Refacor electron app and add migrations

src/app/app.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @angular-eslint/component-class-suffix, @typescript-eslint/member-ordering */
+/* eslint-disable @angular-eslint/component-class-suffix */
 import {
   Component,
   OnInit,
@@ -51,16 +51,16 @@ import {
   styleUrl: './app.scss'
 })
 export class App implements OnInit {
+  store = inject(Store);
+  currentRoom = this.store.selectSignal(selectCurrentRoom);
+
   private databaseService = inject(DatabaseService);
-  private store = inject(Store);
   private router = inject(Router);
   private servers = inject(ServerDirectoryService);
   private timeSync = inject(TimeSyncService);
   private voiceSession = inject(VoiceSessionService);
   private externalLinks = inject(ExternalLinkService);
 
-  currentRoom = this.store.selectSignal(selectCurrentRoom);
-
   /** Intercept all <a> clicks and open them externally. */
   @HostListener('document:click', ['$event'])
   onGlobalLinkClick(evt: MouseEvent): void {