[gnome-builder/wip/gtk4-port] libide/gui: fix help action-name for preferences

[Christian Hergert <chergert src gnome org>]

commit 9e4168c00de3e43031c2da802c4a8aebd3744b98
Author: Christian Hergert <chergert redhat com>
Date:   Thu Mar 31 12:32:21 2022 -0700

    libide/gui: fix help action-name for preferences

 src/libide/gui/ide-preferences-window.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libide/gui/ide-preferences-window.ui b/src/libide/gui/ide-preferences-window.ui
index 431b86509..775e99904 100644
--- a/src/libide/gui/ide-preferences-window.ui
+++ b/src/libide/gui/ide-preferences-window.ui
@@ -99,7 +99,7 @@
       </item>
       <item>
         <attribute name="label" translatable="yes">Help</attribute>
-        <attribute name="action">win.show-help</attribute>
+        <attribute name="action">app.help</attribute>
         <attribute name="accel">F1</attribute>
       </item>
     </section>