small improvements on code smell

* fix some grammar/typo errors
* change some statements to be more clear
* use pattern matching for enum processing

src/ahriman/web/middlewares/auth_handler.py

@@ -102,6 +102,7 @@ def _auth_handler(allow_read_only: bool) -> MiddlewareType:
             permission = UserAccess.Unauthorized if isinstance(handler_instance, StaticResource) else UserAccess.Full
         else:
             permission = UserAccess.Full
+
         if permission == UserAccess.Unauthorized:  # explicit if elif else for better code coverage
             pass
         elif allow_read_only and UserAccess.Read.permits(permission):

src/ahriman/web/views/base.py

@@ -107,7 +107,7 @@ class BaseView(View, CorsViewMixin):
         get non-empty value from request parameters
 
         Args:
-            extractor(Callable[[str], T | None]): function to get value by the specified key
+            extractor(Callable[[str], T | None]): function to get value
             key(str): key to extract value
 
         Returns: