Fixes OAuth after addition of signature to state (#1097)

* copied from main

Signed-off-by: Madhav Kandukuri <[email protected]>

* testing changes
Signed-off-by: Madhav Kandukuri <[email protected]>

* Fix oauth code
Signed-off-by: Madhav Kandukuri <[email protected]>

* Fix tests in test_oauth_router
Signed-off-by: Madhav Kandukuri <[email protected]>

* Linting fixes
Signed-off-by: Madhav Kandukuri <[email protected]>

* remove debug_team_dropdown.md

Signed-off-by: Madhav Kandukuri <[email protected]>

* String issue fixed
Signed-off-by: Madhav Kandukuri <[email protected]>

---------

Signed-off-by: Madhav Kandukuri <[email protected]>

Author: madhav165

mcpgateway/routers/oauth_router.py

@@ -23,7 +23,6 @@
 from sqlalchemy.orm import Session
 
 # First-Party
-from mcpgateway.auth import get_current_user
 from mcpgateway.db import Gateway, get_db
 from mcpgateway.middleware.rbac import get_current_user_with_permissions
 from mcpgateway.schemas import EmailUserResponse