Fixes for django 4 (remove is_ajax)

rad/views.py

@@ -281,7 +281,7 @@ def active_exams_unbased(request, cid=None, passcode=None):
 @csrf_exempt
 def exam_submit(request):
     print(request)
-    if request.is_ajax and request.method == "POST":
+    if request.method == "POST":
         print(request.POST)
         exam_type, exam_id = request.POST.get("eid").split("/")
 
@@ -379,7 +379,7 @@ def feedback_mark_complete(request, pk):
 
 @csrf_exempt
 def answer_suggestion_submit(request):
-    if request.is_ajax and request.method == "POST":
+    if request.method == "POST":
         post_data = json.loads(request.body)
         question_type, qid = post_data["qid"].split("/")
         answer_string = post_data["answer"]
@@ -411,7 +411,7 @@ def answer_suggestion_submit(request):
 
 @login_required
 def answer_submit(request):
-    if request.is_ajax and request.method == "POST":
+    if request.method == "POST":
         qid = request.POST.get("qid")
         question_type = request.POST.get("question_type")
         answer_string = request.POST.get("answer")
@@ -442,7 +442,7 @@ def answer_submit(request):
 
 @login_required
 def answer_suggestion_confirm(request):
-    if request.is_ajax and request.method == "POST":
+    if request.method == "POST":
         question_type = request.POST.get("question_type")
         aid = request.POST.get("aid")
         status = request.POST.get("status")