align subadmins css class name with actually used class name subAdminsGroups to fix display issue when users are in many groups

Signed-off-by: Silke Suck <silke.suck@adacor.com>

apps/settings/css/settings.scss

@@ -1386,7 +1386,7 @@ doesnotexist:-o-prefocus, .strengthify-wrapper {
 			// Scroll if too much groups
 			&:not(.row--editable) {
 				.groups,
-				.subadmins {
+				.subAdminsGroups {
 					overflow: auto;
 					max-height: 100%;
 				}
@@ -1394,7 +1394,7 @@ doesnotexist:-o-prefocus, .strengthify-wrapper {
 
 			.managers,
 			.groups,
-			.subadmins,
+			.subAdminsGroups,
 			.quota {
 				min-width: $grid-col-min-width;