fix: add `JwtRestrictedApplication` check to XBlock callback #180

Job	Run time
collect-and-verify (3.8, 3.2)	5m 7s
gh-hosted-python-3.8,django-3.2,lms-1	12m 10s
gh-hosted-python-3.8,django-3.2,lms-2	8m 55s
gh-hosted-python-3.8,django-3.2,lms-3	15m 42s
gh-hosted-python-3.8,django-3.2,lms-4	16m 48s
gh-hosted-python-3.8,django-3.2,lms-5	9m 28s
gh-hosted-python-3.8,django-3.2,lms-6	14m 21s
gh-hosted-python-3.8,django-3.2,openedx-1	13m 29s
gh-hosted-python-3.8,django-3.2,openedx-2	12m 49s
gh-hosted-python-3.8,django-3.2,openedx-3	9m 25s
gh-hosted-python-3.8,django-3.2,openedx-4	5m 24s
gh-hosted-python-3.8,django-3.2,cms-1	4m 44s
gh-hosted-python-3.8,django-3.2,cms-2	16m 10s
gh-hosted-python-3.8,django-3.2,common-1	9m 26s
gh-hosted-python-3.8,django-3.2,common-2	5m 45s
gh-hosted-python-3.8,django-3.2,xmodule-1	10m 34s
	2h 50m 17s

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