Controls Ui - Fix seeding crash

Need to return early when there is no preferred component to seed
controls from.

Bug: 154037512
Test: manual
Change-Id: I5aad8bfb90453cdc97fc75575390d16cd2824c05

packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java

@@ -395,6 +395,7 @@ public class GlobalActionsDialog implements DialogInterface.OnDismissListener,
         if (preferredComponent == null) {
             Log.i(TAG, "Controls seeding: No preferred component has been set, will not seed");
             mControlsPreferences.edit().putBoolean(PREFS_CONTROLS_SEEDING_COMPLETED, true).apply();
+            return;
         }
 
         mControlsController.seedFavoritesForComponent(
@@ -2316,4 +2317,4 @@ public class GlobalActionsDialog implements DialogInterface.OnDismissListener,
                 && mControlsUiController.getAvailable()
                 && !mControlsServiceInfos.isEmpty();
     }
-}
+}