Crash with disabled "Group by account" option fixed.

app/src/main/java/com/xabber/android/ui/adapter/GroupedContactAdapter.java

@@ -333,6 +333,7 @@ public abstract class GroupedContactAdapter extends BaseAdapter implements Updat
             color = accountSubgroupColors[level];
             viewHolder.groupOfflineIndicator.setVisibility(View.VISIBLE);
 
+            if (!configuration.getAccount().equalsIgnoreCase(GroupManager.NO_ACCOUNT)) {
                 StatusMode statusMode = AccountManager.getInstance().getAccount(configuration.getAccount()).getDisplayStatusMode();
 
                 if (statusMode == StatusMode.unavailable || statusMode == StatusMode.connection) {
@@ -341,6 +342,7 @@ public abstract class GroupedContactAdapter extends BaseAdapter implements Updat
                     viewHolder.offlineShadow.setVisibility(View.GONE);
                 }
             }
+        }
 
         view.setBackgroundDrawable(new ColorDrawable(color));