add startPage option, other fixes and improvements

src/app/pages/admin/user-aliases/user-alias.edit.html

@@ -4,11 +4,12 @@
   <form [formGroup]="form">
     <mat-form-field appearance="outline">
       <mat-label>{{ 'admin.user_aliases.target' | i18n }}</mat-label>
-      <input matInput type="number" formControlName="target" [placeholder]="'admin.user_aliases.target' | i18n" required>
+      <input matInput type="number" formControlName="target" [placeholder]="'admin.user_aliases.target' | i18n"
+        required>
       @if (form.get('target')?.hasError('required')) {
-        <mat-error>
-          {{ 'admin.user_aliases.target_required' | i18n }}
-        </mat-error>
+      <mat-error>
+        {{ 'admin.user_aliases.target_required' | i18n }}
+      </mat-error>
       }
       <mat-hint>{{ 'admin.user_aliases.target_hint' | i18n }}</mat-hint>
     </mat-form-field>
@@ -17,9 +18,9 @@
       <mat-label>{{ 'admin.user_aliases.alias' | i18n }}</mat-label>
       <input matInput formControlName="alias" [placeholder]="'admin.user_aliases.alias' | i18n" required>
       @if (form.get('alias')?.hasError('required')) {
-        <mat-error>
-          {{ 'admin.user_aliases.alias_required' | i18n }}
-        </mat-error>
+      <mat-error>
+        {{ 'admin.user_aliases.alias_required' | i18n }}
+      </mat-error>
       }
     </mat-form-field>
 
@@ -27,23 +28,23 @@
       <mat-label>{{ 'admin.user_aliases.visibility' | i18n }}</mat-label>
       <mat-select formControlName="visibility" required>
         @for (visibility of visibilityOptions; track visibility) {
-          <mat-option [value]="visibility">
-            {{ visibility }}
-          </mat-option>
+        <mat-option [value]="visibility">
+          {{ visibility }}
+        </mat-option>
         }
       </mat-select>
       @if (form.get('visibility')?.hasError('required')) {
-        <mat-error>
-          {{ 'admin.user_aliases.visibility_required' | i18n }}
-        </mat-error>
+      <mat-error>
+        {{ 'admin.user_aliases.visibility_required' | i18n }}
+      </mat-error>
       }
     </mat-form-field>
   </form>
 </mat-dialog-content>
 
-<mat-dialog-actions align="end">
-  <button mat-button (click)="onCancel()">{{ 'admin.cancel' | i18n }}</button>
-  <button mat-raised-button color="primary" (click)="onSubmit()" [disabled]="!form.valid">
+<mat-dialog-actions>
+  <a mat-raised-button color="primary" (click)="onSubmit()" [disabled]="!form.valid">
     {{ (isEditMode ? 'admin.save' : 'admin.create') | i18n }}
-  </button>
-</mat-dialog-actions>
+  </a>
+  <a mat-button (click)="onCancel()">{{ 'cancel' | i18n }}</a>
+</mat-dialog-actions>