delete listener if current user is admin

app/src/main/java/org/thoughtcrime/securesms/loki/activities/EditClosedGroupMembersAdapter.kt

@@ -56,6 +56,8 @@ class EditClosedGroupMembersAdapter(
 
         if (unlocked) {
             viewHolder.view.setOnClickListener { this.memberClickListener?.invoke(member) }
+        } else {
+            viewHolder.view.setOnClickListener(null)
         }
     }