Bug 1729847 - Fixing Pocket panel auto closing on enter r=mconley

Differential Revision: https://phabricator.services.mozilla.com/D125278

browser/base/content/appmenu-viewcache.inc.xhtml

@@ -404,7 +404,10 @@
     </vbox>
   </panelview>
 
-  <panelview id="PanelUI-savetopocket" flex="1" class="PanelUI-subView" remote="true">
+  <panelview id="PanelUI-savetopocket"
+             flex="1" class="PanelUI-subView"
+             remote="true"
+             closemenu="none">
     <vbox class="PanelUI-savetopocket-container">
     </vbox>
   </panelview>