Persist predicted items when dragged to workspace

Bug: 143787549
Test: Manual
Change-Id: Ieff0ede4072a2a9a87a62b06ad846eedfe97583f
diff --git a/src/com/android/launcher3/model/ModelWriter.java b/src/com/android/launcher3/model/ModelWriter.java
index c69ace9..bdf3a69 100644
--- a/src/com/android/launcher3/model/ModelWriter.java
+++ b/src/com/android/launcher3/model/ModelWriter.java
@@ -103,7 +103,7 @@
      */
     public void addOrMoveItemInDatabase(ItemInfo item,
             int container, int screenId, int cellX, int cellY) {
-        if (item.container == ItemInfo.NO_ID) {
+        if (item.id == ItemInfo.NO_ID) {
             // From all apps
             addItemToDatabase(item, container, screenId, cellX, cellY);
         } else {