[gnome-builder/wip/gtk4-port] plugins/buildui: get context from build manager

[Christian Hergert <chergert src gnome org>]

commit cca411daf51e0fa82c28976542aa5e60efb3b58f
Author: Christian Hergert <chergert redhat com>
Date:   Tue Apr 26 17:49:57 2022 -0700

    plugins/buildui: get context from build manager

 src/plugins/buildui/gbp-buildui-omni-bar-section.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/buildui/gbp-buildui-omni-bar-section.c 
b/src/plugins/buildui/gbp-buildui-omni-bar-section.c
index 4e9deccd0..47538e84a 100644
--- a/src/plugins/buildui/gbp-buildui-omni-bar-section.c
+++ b/src/plugins/buildui/gbp-buildui-omni-bar-section.c
@@ -262,7 +262,7 @@ gbp_buildui_omni_bar_section_bind_build_manager (GbpBuilduiOmniBarSection *self,
   gbp_buildui_omni_bar_section_notify_warning_count (self, NULL, build_manager);
   gbp_buildui_omni_bar_section_notify_last_build_time (self, NULL, build_manager);
 
-  context = ide_widget_get_context (GTK_WIDGET (self));
+  context = ide_object_get_context (IDE_OBJECT (build_manager));
   vcs = ide_vcs_from_context (context);
 
   g_object_bind_property (context, "title",