fix edit userprofile when page is scrolled

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

@@ -16,12 +16,7 @@ export class AssignUserProfileButtonContainerComponent {
 	constructor(private userProfileService: UserProfileService) { }
 
 	showUserProfileSearch(): void {
-		this.scrollToTop(); // TODO bessere loesung finden: Zum Element scrollen!?
-		this.userProfileService.showUserProfileSearch();
-	}
-
-	scrollToTop(): void {
-		const elem = document.getElementsByClassName('l-scroll-area')[0];
-		if (elem) elem.scrollTop = 0;
+		document.documentElement.scrollTop = 0;
+		this.userProfileService.showUserProfileSearch()
 	}
 }