OZG-400 fix user profile overlay when main area was scrolled

goofy-client/libs/user-profile/src/lib/assign-user-profile-button-container/assign-user-profile-button-container.component.ts

@@ -16,6 +16,7 @@ export class AssignUserProfileButtonContainerComponent {
 	constructor(private userProfileService: UserProfileService) { }
 
 	showUserProfileSearch(): void {
+		document.getElementsByClassName('l-scroll-area')[0].scrollTop = 0; // TODO bessere loesung finden
 		this.userProfileService.showUserProfileSearch();
 	}
 }