call script_callbacks.ui_settings_callback earlier; fix extra-options-section built-in extension killing the ui if using a setting that doesn't exist

modules/ui.py

@@ -269,6 +269,9 @@ def create_ui():
 
     parameters_copypaste.reset()
 
+    settings = ui_settings.UiSettings()
+    settings.register_settings()
+
     scripts.scripts_current = scripts.scripts_txt2img
     scripts.scripts_txt2img.initialize_scripts(is_img2img=False)
 
@@ -1116,7 +1119,6 @@ def create_ui():
     loadsave = ui_loadsave.UiLoadsave(cmd_opts.ui_config_file)
     ui_settings_from_file = loadsave.ui_settings.copy()
 
-    settings = ui_settings.UiSettings()
     settings.create_ui(loadsave, dummy_component)
 
     interfaces = [

modules/ui_settings.py

@@ -98,6 +98,9 @@ class UiSettings:
 
         return get_value_for_setting(key), opts.dumpjson()
 
+    def register_settings(self):
+        script_callbacks.ui_settings_callback()
+
     def create_ui(self, loadsave, dummy_component):
         self.components = []
         self.component_dict = {}
@@ -105,7 +108,6 @@ class UiSettings:
 
         shared.settings_components = self.component_dict
 
-        script_callbacks.ui_settings_callback()
         opts.reorder()
 
         with gr.Blocks(analytics_enabled=False) as settings_interface: