Feat- Set fullname value to Displayname

Displayname is a newly released attribute for UAB idp Shibboleth's team Previously we constructed the fullname as Givenname + Sn New and more efficient fullname is Displayname

app/__init__.py

@@ -6,7 +6,6 @@ Initialize the main flask app
 # standard imports
 from __future__ import print_function
 
-import re
 import sys
 import uuid
 
@@ -47,11 +46,8 @@ def create_app(config_name):
     def get_authorized_user():
 
         user = {
-            "username": request.headers.get("REMOTE_USER"), 
-            "fullname": (
-                f"{request.headers.get('Givenname')}"
-                f" {request.headers.get('Sn')}"
-            ),
+            "username": request.headers.get("REMOTE_USER"),
+            "fullname": request.headers.get("Displayname"),
             "email": request.headers.get("Mail"),
             "eppa": request.headers.get("Unscoped-Affiliation"),
         }