new SearchEverywhere UI initial UX-1

platform/lang-impl/src/com/intellij/ide/actions/SearchEverywhereAction.java

@@ -560,6 +560,10 @@ public class SearchEverywhereAction extends AnAction implements CustomComponentA
   }
 
   public void actionPerformed(AnActionEvent e, MouseEvent me) {
+    if (Registry.is("new.search.everywhere")) {
+      //todo[mikhail.sokolov] show new UI
+      return;
+    }
     if (myBalloon != null && myBalloon.isVisible()) {
       showAll.set(!showAll.get());
       myNonProjectCheckBox.setSelected(showAll.get());