restore "CancelOnWindow" logic broken in 2012

Canceller stopped being initialized on myCancelOnWindow.
This also fixes Switcher vs numbered Bookmark problem
where Switcher does not go away when editor is activated.

platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java

@@ -33,7 +33,10 @@ import com.intellij.ui.border.CustomLineBorder;
 import com.intellij.ui.components.JBLabel;
 import com.intellij.ui.mac.touchbar.TouchBarsManager;
 import com.intellij.ui.speedSearch.SpeedSearch;
-import com.intellij.util.*;
+import com.intellij.util.BooleanFunction;
+import com.intellij.util.FunctionUtil;
+import com.intellij.util.IJSwingUtilities;
+import com.intellij.util.Processor;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.containers.WeakList;
 import com.intellij.util.ui.*;
@@ -773,7 +776,6 @@ public class AbstractPopup implements JBPopup {
     debugState("show popup", State.INIT);
     myState = State.SHOWING;
 
-    installWindowHook(this);
     installProjectDisposer();
     addActivity();
 
@@ -1118,14 +1120,6 @@ public class AbstractPopup implements JBPopup {
     }
   }
 
-  //Sometimes just after popup was shown the WINDOW_ACTIVATED cancels it
-  private static void installWindowHook(final AbstractPopup popup) {
-    if (popup.myCancelOnWindow) {
-      popup.myCancelOnWindow = false;
-      new Alarm(popup).addRequest(() -> popup.myCancelOnWindow = true, 100);
-    }
-  }
-
   private void addActivity() {
     UiActivityMonitor.getInstance().addActivity(myActivityKey);
   }