Use display_username from identity if it is set via OIDC (#41)

Author: BenediktSeidlSWM

src/qwc2_viewer.py

@@ -275,6 +275,9 @@ def qwc2_config(self, identity, params):
                 # NOTE: ignore group from identity
                 autologin = identity.get('autologin')
 
+                if self.display_user_info_field:
+                    display_username = identity.get(self.display_user_info_field)
+
                 if self.db_url:
                     # add custom user info fields
                     db = db_engine.db_engine(self.db_url)