IDEA-CR-42270: hide any hint on popup cancel

platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java

@@ -1117,11 +1117,6 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable,
     return myAdComponent.getAdvertisements();
   }
 
-  @Override
-  protected void onPopupCancel() {
-    hide();
-  }
-
   @Override
   public void hide(){
     hideLookup(true);

platform/platform-impl/src/com/intellij/ui/LightweightHint.java

@@ -238,6 +238,7 @@ public class LightweightHint extends UserDataHolderBase implements Hint {
   }
 
   protected void onPopupCancel() {
+    hide();
   }
 
   private void fixActualPoint(Point actualPoint) {