[gnome-builder/wip/gtk4-port] libide/gui: cleanup preference window addin loading

[Christian Hergert <chergert src gnome org>]

commit bf9ebf13854f84ea4a899c33e83f8dd97ecc42d6
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 9 15:19:58 2022 -0700

    libide/gui: cleanup preference window addin loading

 src/libide/gui/ide-preferences-window.c | 29 ++++++++++-------------------
 1 file changed, 10 insertions(+), 19 deletions(-)
---
diff --git a/src/libide/gui/ide-preferences-window.c b/src/libide/gui/ide-preferences-window.c
index 0626fda74..4f76bdf37 100644
--- a/src/libide/gui/ide-preferences-window.c
+++ b/src/libide/gui/ide-preferences-window.c
@@ -327,35 +327,26 @@ ide_preferences_window_extension_removed (IdeExtensionSetAdapter *set,
 static void
 ide_preferences_window_load_addins (IdePreferencesWindow *self)
 {
+  IdeContext *context = NULL;
+  const char *kind = "application";
+
   g_assert (IDE_IS_PREFERENCES_WINDOW (self));
   g_assert (self->addins == NULL);
 
   _ide_preferences_builtin_register (self);
 
-  if (self->mode == IDE_PREFERENCES_MODE_APPLICATION)
-    {
-      self->addins = ide_extension_set_adapter_new (NULL,
-                                                    peas_engine_get_default (),
-                                                    IDE_TYPE_PREFERENCES_ADDIN,
-                                                    "Preferences-Kind", "application");
-    }
-  else if (self->mode == IDE_PREFERENCES_MODE_PROJECT)
+  if (self->mode == IDE_PREFERENCES_MODE_PROJECT)
     {
       IdeWorkbench *workbench = IDE_WORKBENCH (gtk_window_get_group (GTK_WINDOW (self)));
-      IdeContext *context = ide_workbench_get_context (workbench);
-
-      self->addins = ide_extension_set_adapter_new (IDE_OBJECT (context),
-                                                    peas_engine_get_default (),
-                                                    IDE_TYPE_PREFERENCES_ADDIN,
-                                                    "Preferences-Kind", "project");
 
-      /* TODO: This also needs configurations, but that could be under a page
-       *       if we wanted to.
-       */
+      context = ide_workbench_get_context (workbench);
+      kind = "project";
     }
 
-  if (self->addins == NULL)
-    return;
+  self->addins = ide_extension_set_adapter_new (IDE_OBJECT (context),
+                                                peas_engine_get_default (),
+                                                IDE_TYPE_PREFERENCES_ADDIN,
+                                                "Preferences-Kind", kind);
 
   g_signal_connect (self->addins,
                     "extension-added",