[epiphany] Open multiple items in history dialog

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 88798627b58f349477471e4a0b66c9ff05e56f12
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Sun May 17 20:41:43 2020 +0200

    Open multiple items in history dialog
    
    Fixes: https://gitlab.gnome.org/GNOME/epiphany/-/issues/862

 src/ephy-history-dialog.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/ephy-history-dialog.c b/src/ephy-history-dialog.c
index 486d6393a..df5dc08f2 100644
--- a/src/ephy-history-dialog.c
+++ b/src/ephy-history-dialog.c
@@ -567,13 +567,12 @@ on_listbox_button_press_event (GtkWidget         *widget,
   if (event->button == GDK_BUTTON_SECONDARY) {
     GtkListBoxRow *row = gtk_list_box_get_row_at_y (GTK_LIST_BOX (self->listbox), event->y);
     GList *rows = NULL;
-    guint state = event->state & gtk_accelerator_get_default_mod_mask ();
     int n;
 
     if (!row)
       return GDK_EVENT_PROPAGATE;
 
-    if (state != GDK_CONTROL_MASK)
+    if (!gtk_list_box_row_is_selected (row))
       gtk_list_box_unselect_all (GTK_LIST_BOX (self->listbox));
 
     gtk_list_box_select_row (GTK_LIST_BOX (self->listbox), row);