Fixed #32902 -- Fixed CsrfViewMiddleware.process_response()'s cookie reset logic.

Thanks Florian Apolloner and Shai Berger for reviews.

tests/csrf_tests/views.py

@@ -33,6 +33,17 @@ class _CsrfCookieRotator(MiddlewareMixin):
 csrf_rotating_token = decorator_from_middleware(_CsrfCookieRotator)
 
 
+@csrf_protect
+def protected_view(request):
+    return HttpResponse('OK')
+
+
+@csrf_protect
+@ensure_csrf_cookie
+def ensured_and_protected_view(request):
+    return TestingHttpResponse('OK')
+
+
 @csrf_protect
 @csrf_rotating_token
 @ensure_csrf_cookie