Task/improve copy-to-clipboard in alert dialog (#7281)

Improve copy-to-clipboard

apps/client/src/app/components/user-account-membership/user-account-membership.component.ts

@@ -147,7 +147,7 @@ export class GfUserAccountMembershipComponent {
           .subscribe(({ apiKey }) => {
             this.notificationService.alert({
               copyValue: apiKey,
-              discardLabel: $localize`Okay`,
+              discardLabel: $localize`Close`,
               message: $localize`Set this API key in your self-hosted environment:`,
               title: $localize`Ghostfolio Premium Data Provider API Key`
             });

libs/ui/src/lib/notifications/alert-dialog/alert-dialog.html

@@ -8,7 +8,7 @@
       <div [innerHTML]="message"></div>
     }
     @if (copyValue) {
-      <div class="mt-2">{{ copyValue }}</div>
+      <div class="mt-1">{{ copyValue }}</div>
     }
   </div>
 }