[epiphany/gnome-3-34] Disable Search the Web action in app mode

[Michael Catanzaro <mcatanzaro src gnome org>]

commit bb897a569c9bc119cbe51d3ca5f2f05551a2b349
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Dec 11 15:40:54 2019 +0000

    Disable Search the Web action in app mode
    
    I clicked this by mistake, then got stuck on duckduckgo.com without any
    way to get back to my web app.
    
    
    (cherry picked from commit abe103b3464c1656f2b9c2e7f8dc50753355ff26)

 src/ephy-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index c98d7b88f..c3a4e6c1b 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -1601,7 +1601,7 @@ populate_context_menu (WebKitWebView       *web_view,
     if (should_show_copy_outside_editable (web_view))
       add_action_to_context_menu (context_menu, window_action_group,
                                   "copy", window);
-    if (can_search_selection)
+    if (can_search_selection && !app_mode)
       add_action_to_context_menu (context_menu, popup_action_group,
                                   search_selection_action_name, window);
     webkit_context_menu_append (context_menu,