[seahorse] sidebar: Don't try to invoke parent's popup menu

[Niels De Graef <nielsdg src gnome org>]

commit 7c15af02c8906d81217a1b32af08c7638df5d6a4
Author: Guido Günther <agx sigxcpu org>
Date:   Mon Nov 22 16:19:10 2021 +0100

    sidebar: Don't try to invoke parent's popup menu
    
    This fixes a crash when hitting the menu key and displays the
    menu as expected. Otherwise it crashes like
    
      (gdb) bt
      #0  0x0000000000000000 in  ()
      #1  0x0000556b8bfacc93 in seahorse_sidebar_real_popup_menu (base=0x556b8c768240 [SeahorseSidebar]) at 
../src/sidebar.vala:203
      #4  0x00007f2a045594a9 in <emit signal ??? on instance 0x556b8c768240 [SeahorseSidebar]>
          (node=<optimized out>, detail=0, instance=0x556b8c768240, emission_return=0x7ffc1b838a20, 
instance_and_params=0x556b8cc715c0) at ../../../gobject/gsignal.c:3781
          #2  0x00007f2a03f11fd2 in _gtk_marshal_BOOLEAN__VOID
          (closure=0x556b8c3c7e50, return_value=0x7ffc1b838930, n_param_values=<optimized out>, 
param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at 
gtkmarshalers.c:2110
          #3  0x00007f2a045476cf in g_closure_invoke
          (closure=closure@entry=0x556b8c3c7e50, return_value=return_value@entry=0x7ffc1b838930, 
n_param_values=1, param_values=param_values@entry=0x556b8cc715c0, 
invocation_hint=invocation_hint@entry=0x7ffc1b838910) at ../../../gobject/gclosure.c:830
      #5  0x00007f2a03c4546f in gtk_binding_entry_activate (entry=0x556b8c3a4bc0, 
object=object@entry=0x556b8c768240 [SeahorseSidebar]) at ../../../../gtk/gtkbindings.c:646
      #6  0x00007f2a03c45928 in binding_activate

 src/sidebar.vala | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/src/sidebar.vala b/src/sidebar.vala
index b991d006..5bdda3bb 100644
--- a/src/sidebar.vala
+++ b/src/sidebar.vala
@@ -200,9 +200,6 @@ public class Seahorse.Sidebar : Gtk.ListBox {
     }
 
     public override bool popup_menu() {
-        if (base.popup_menu())
-            return true;
-
         var row = get_selected_row() as SidebarItem;
         if (row == null)
             return false;