Add smartspace as a widget to first page (implementation 2)

Flag: SMARTSPACE_AS_A_WIDGET
Test: verify that the smartspace gets replaced with a smartspace widget
Bug: 300140279
Change-Id: I42c170de5e2a9fd3d24d99bb8b09cf412c55e3a5

src/com/android/launcher3/model/DatabaseHelper.java

@@ -16,6 +16,7 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.LauncherSettings.Favorites.addTableToDb;
+import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
 import static com.android.launcher3.provider.LauncherDbUtils.dropTable;
 
 import android.content.ContentValues;
@@ -257,7 +258,8 @@ public class DatabaseHelper extends NoLocaleSQLiteHelper implements
                         Favorites.SCREEN, IntArray.wrap(-777, -778)), null);
             }
             case 30: {
-                if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
+                if (FeatureFlags.QSB_ON_FIRST_SCREEN
+                        && !shouldShowFirstPageWidget()) {
                     // Clean up first row in screen 0 as it might contain junk data.
                     Log.d(TAG, "Cleaning up first row");
                     db.delete(Favorites.TABLE_NAME,