Revert "Remove flags ENABLE_TWO_PANEL_HOME  FOLDABLE_WORKSPACE_REORDE and FOLDABLE_SINGLE_PAGE"

This reverts commit 76a1ceb5f2554c839ca27d3df2787719ac33afb2.

Reason for revert: Add flag back to turn it off for further testing

Bug: 270395274
Merged-In: I10b9e99734b14cbbe8d1190300493099a1f28a24
Change-Id: I10b9e99734b14cbbe8d1190300493099a1f28a24
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c737074..d0a2576 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -44,6 +44,7 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.getSupportedActions;
+import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.config.FeatureFlags.MULTI_SELECT_EDIT_MODE;
 import static com.android.launcher3.config.FeatureFlags.SHOW_DOT_PAGINATION;
 import static com.android.launcher3.logging.StatsLogManager.EventEnum;
@@ -766,7 +767,7 @@
         }
 
         onDeviceProfileInitiated();
-        if (mDeviceProfile.isTwoPanels) {
+        if (FOLDABLE_SINGLE_PAGE.get() && mDeviceProfile.isTwoPanels) {
             mCellPosMapper = new TwoPanelCellPosMapper(mDeviceProfile.inv.numColumns);
         } else {
             mCellPosMapper = CellPosMapper.DEFAULT;