feat: Update-Service auf Edibility Slide-Toggle umgestellt

- Update-Service-Funktionalität auf einen Slide-Toggle-Button übertragen.
- Mat-Icon-Bedingungen hinzugefügt, um `lock` und `lock-open` Icons anzuzeigen.
- Benutzerfreundlichkeit verbessert durch intuitive visuelle Indikatoren für die Bearbeitbarkeit.

DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html

@@ -30,7 +30,9 @@
       <!-- Right menu -->
       <div class="navbar-collapse justify-content-end me-5">
         <a class="navbar-brand" [routerLink]="['/']">User Manager Portal</a>
-        <mat-slide-toggle *ngIf="isLogedIn()" [(ngModel)]="updateService.isEditable" [ngStyle]="{ 'visibility': creationService.isVisible ? 'visible' : 'hidden' }"></mat-slide-toggle>
+        <button *ngIf="isLogedIn()" class="btn" (click)="this.updateService.toggleEditability()" [ngStyle]="{ 'visibility': updateService.isVisible ? 'visible' : 'hidden' }">
+          <mat-icon class="scale-pulse">{{ updateService.isEditable ? 'lock_open' : 'lock' }}</mat-icon>
+        </button>
         <button *ngIf="isLogedIn()" class="btn" (click)="updateService.executeAll()" [ngStyle]="{ 'visibility': updateService.isVisible ? 'visible' : 'hidden' }" matTooltip="strg + s" matTooltipPosition="below" [matTooltipClass]="tooltipClass" [matTooltipDisabled]="!updateService.isVisible">
           <mat-icon class="scale-pulse" [matBadge]="updateActCount === 0 ? '' : updateActCount">save</mat-icon>
         </button>

DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/services/button/update.service.ts

@@ -84,6 +84,10 @@ export class UpdateService extends BaseButtonService {
       localStorage.setItem('editable', value ? "T" : "F")
     this._isEditable = value;
   }
+
+  toggleEditability() {
+    this.isEditable = !this.isEditable;
+  }
 }
 
 export enum UpdateEvent {