[gnome-control-center] sound: Stop non-interactive profile changes from triggering changed events

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit d9ea45354ef684542877643b96f4fd012863d1a6
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Jun 17 11:15:33 2020 +1200

    sound: Stop non-interactive profile changes from triggering changed events
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1033

 panels/sound/cc-profile-combo-box.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/panels/sound/cc-profile-combo-box.c b/panels/sound/cc-profile-combo-box.c
index da7b9b048..a328b98c0 100644
--- a/panels/sound/cc-profile-combo-box.c
+++ b/panels/sound/cc-profile-combo-box.c
@@ -119,7 +119,11 @@ cc_profile_combo_box_set_device (CcProfileComboBox *self,
                           -1);
 
       if (g_strcmp0 (gvc_mixer_ui_device_get_active_profile (device), profile->profile) == 0)
-        gtk_combo_box_set_active_iter (GTK_COMBO_BOX (self), &iter);
+        {
+          g_signal_handlers_block_by_func(self, profile_changed_cb, self);
+          gtk_combo_box_set_active_iter (GTK_COMBO_BOX (self), &iter);
+          g_signal_handlers_unblock_by_func(self, profile_changed_cb, self);
+        }
     }
 }