inspection tool window: use compact action group

platform/lang-impl/src/com/intellij/codeInspection/ui/QuickFixPreviewDecorator.java

@@ -154,7 +154,7 @@ public class QuickFixPreviewDecorator extends JPanel implements InspectionTreeLo
       @NotNull
       @Override
       protected DefaultActionGroup createPopupActionGroup(JComponent button) {
-        DefaultActionGroup group = new DefaultActionGroup();
+        DefaultActionGroup group = new DefaultCompactActionGroup();
         group.addAll(suppressors);
         return group;
       }

platform/lang-impl/src/com/intellij/codeInspection/ui/actions/InspectionViewActionBase.java

@@ -41,22 +41,13 @@ public abstract class InspectionViewActionBase extends AnAction {
     final InspectionResultsView view = getView(e);
     final boolean enabled = view != null && isEnabled(view);
     final Presentation presentation = e.getPresentation();
-    if (hideIfDisabled()) {
-      presentation.setEnabledAndVisible(enabled);
-    }
-    else {
-      presentation.setEnabled(enabled);
-    }
+    presentation.setEnabled(enabled);
   }
 
   protected boolean isEnabled(@NotNull InspectionResultsView view) {
     return true;
   }
 
-  protected boolean hideIfDisabled() {
-    return false;
-  }
-
   public static InspectionResultsView getView(@Nullable AnActionEvent event) {
     if (event == null) {
       return null;

platform/lang-impl/src/com/intellij/codeInspection/ui/actions/SuppressActionWrapper.java

@@ -56,7 +56,7 @@ import java.util.Set;
 
 import static com.intellij.codeInspection.ui.actions.InspectionViewActionBase.getView;
 
-public class SuppressActionWrapper extends ActionGroup {
+public class SuppressActionWrapper extends ActionGroup implements CompactActionGroup {
   private static final Logger LOG = Logger.getInstance("#com.intellij.codeInspection.actions.SuppressActionWrapper");
 
   public SuppressActionWrapper() {
@@ -209,11 +209,6 @@ public class SuppressActionWrapper extends ActionGroup {
       return false;
     }
 
-    @Override
-    protected boolean hideIfDisabled() {
-      return true;
-    }
-
     public boolean isSuppressAll() {
       return mySuppressAction.isSuppressAll();
     }

platform/platform-resources/src/idea/LangActions.xml

@@ -994,7 +994,7 @@
       <action id="TreeNodeExclusionExclude" class="com.intellij.ide.actions.TreeNodeExclusionAction$Exclude" use-shortcut-of="$Delete"/>
     </group>>
 
-    <group id="InspectionToolWindow.TreePopup">
+    <group id="InspectionToolWindow.TreePopup" compact="true">
       <reference ref="EditSource"/>
       <reference ref="FindUsages"/>
       <reference ref="TreeNodeExclusion"/>