Fixes a crash when turning off workprofile while the workprofile tab is
active.

Bug: 79735930

Change-Id: Iafaddf827e648c9d39df78393a96f90dfc86fcca
diff --git a/src/com/android/launcher3/allapps/FloatingHeaderView.java b/src/com/android/launcher3/allapps/FloatingHeaderView.java
index 5a66ccd..462e7f3 100644
--- a/src/com/android/launcher3/allapps/FloatingHeaderView.java
+++ b/src/com/android/launcher3/allapps/FloatingHeaderView.java
@@ -96,7 +96,7 @@
         mMainRV = setupRV(mMainRV, mAH[AllAppsContainerView.AdapterHolder.MAIN].recyclerView);
         mWorkRV = setupRV(mWorkRV, mAH[AllAppsContainerView.AdapterHolder.WORK].recyclerView);
         mParent = (ViewGroup) mMainRV.getParent();
-        setMainActive(mMainRVActive);
+        setMainActive(mMainRVActive || mWorkRV == null);
         reset(false);
     }