Close navigation popups even if the text field is empty

IDEA-175973 Enter file name search popup is not closing itself after losing focus when no value available in textbox

platform/lang-impl/src/com/intellij/ide/util/gotoByName/ChooseByNameBase.java

@@ -723,7 +723,7 @@ public abstract class ChooseByNameBase {
   protected void doClose(final boolean ok) {
     if (checkDisposed()) return;
 
-    if (closeForbidden(ok) || getChosenElements().isEmpty()) return;
+    if (closeForbidden(ok)) return;
 
     cancelListUpdater();
     close(ok);