Fix flaky enter key

Avoid launching market search if highlighted item is SearchTargetHandler

Bug: 174170510
Test: Manual
Change-Id: I1e60168db7a38924cf6fe08ebc7b3ee004dfdd98
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 5d5e017..558c6a8 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -548,6 +548,7 @@
         if (focusedItem instanceof SearchAdapterItem) {
             SearchTarget searchTarget = ((SearchAdapterItem) focusedItem).getSearchTarget();
             SearchEventTracker.INSTANCE.get(getContext()).quickSelect(searchTarget);
+            return true;
         }
         if (focusedItem.appInfo != null) {
             ItemInfo itemInfo = focusedItem.appInfo;