feat: add interface user permission (#20424)

* feat: add interface user permission

Adds admin configurable user / group permissions for the interface settings section

* rename

backend/open_webui/config.py

@@ -1471,6 +1471,11 @@ USER_PERMISSIONS_FEATURES_API_KEYS = (
 )
 
 
+USER_PERMISSIONS_SETTINGS_INTERFACE = (
+    os.environ.get("USER_PERMISSIONS_SETTINGS_INTERFACE", "True").lower() == "true"
+)
+
+
 DEFAULT_USER_PERMISSIONS = {
     "workspace": {
         "models": USER_PERMISSIONS_WORKSPACE_MODELS_ACCESS,
@@ -1529,6 +1534,9 @@ DEFAULT_USER_PERMISSIONS = {
         "image_generation": USER_PERMISSIONS_FEATURES_IMAGE_GENERATION,
         "code_interpreter": USER_PERMISSIONS_FEATURES_CODE_INTERPRETER,
     },
+    "settings": {
+        "interface": USER_PERMISSIONS_SETTINGS_INTERFACE,
+    },
 }
 
 USER_PERMISSIONS = PersistentConfig(