[gnome-builder] buildui: hide build actions when not useful

[Christian Hergert <chergert src gnome org>]

commit b8d151e3a719ba7d753b4a67aa48437a96058d12
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 6 09:13:55 2019 -0700

    buildui: hide build actions when not useful

 src/plugins/buildui/gtk/menus.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/plugins/buildui/gtk/menus.ui b/src/plugins/buildui/gtk/menus.ui
index 420b85986..e17971ece 100644
--- a/src/plugins/buildui/gtk/menus.ui
+++ b/src/plugins/buildui/gtk/menus.ui
@@ -17,16 +17,19 @@
     <section id="project-tree-menu-buildui">
       <item>
         <attribute name="id">project-tree-menu-build</attribute>
+        <attribute name="hidden-when">action-disabled</attribute>
         <attribute name="label" translatable="yes">Build</attribute>
         <attribute name="action">buildui.build</attribute>
       </item>
       <item>
         <attribute name="id">project-tree-menu-rebuild</attribute>
+        <attribute name="hidden-when">action-disabled</attribute>
         <attribute name="label" translatable="yes">Rebuild</attribute>
         <attribute name="action">buildui.rebuild</attribute>
       </item>
       <item>
         <attribute name="id">project-tree-menu-run</attribute>
+        <attribute name="hidden-when">action-disabled</attribute>
         <attribute name="label" translatable="yes">Run</attribute>
         <attribute name="action">buildui.run-with-handler</attribute>
         <attribute name="target" type="s">''</attribute>