adjusted return value of get_authorization_url to use custom oauth_paths if used

Author: jrutschke

twitchio/web/aio_adapter.py

@@ -470,4 +470,4 @@ def get_authorization_url(self, *, scopes: Scopes, force_verify: bool = False) -
         if not scopes:
             raise ValueError('"scopes" is a required parameter or attribute which is missing.')
 
-        return f"{self._domain}/oauth?scopes={scopes.urlsafe()}&force_verify={str(force_verify).lower()}"
+        return f"{self._domain}{self._oauth_path}?scopes={scopes.urlsafe()}&force_verify={str(force_verify).lower()}"

twitchio/web/starlette_adapter.py

@@ -526,4 +526,4 @@ def get_authorization_url(self, *, scopes: Scopes, force_verify: bool = False) -
         if not scopes:
             raise ValueError('"scopes" is a required parameter or attribute which is missing.')
 
-        return f"{self._domain}/oauth?scopes={scopes.urlsafe()}&force_verify={str(force_verify).lower()}"
+        return f"{self._domain}{self._oauth_path}?scopes={scopes.urlsafe()}&force_verify={str(force_verify).lower()}"