Fix bug with password hash being double encrypted

Author: Maypher

backend/src/admin/auth/user.py

@@ -72,7 +72,7 @@ def create_user(self, email: str, name: str, password: str) -> int:
         salt = bcrypt.gensalt()
         pwd = password.encode()
 
-        hashed_pwd = bcrypt.hashpw(pwd, salt)
+        hashed_pwd = bcrypt.hashpw(pwd, salt).decode("utf-8")
 
         user_id = self.database_manager.query(
             """