fix: bypass access checks when populating course blocks cache #31016

Job	Run time
lms-1(py=3.11,dj=pinned,mongo=7.0)	9m 52s
collect-and-verify	4m 18s
lms-2(py=3.11,dj=pinned,mongo=7.0)	14m 36s
lms-3(py=3.11,dj=pinned,mongo=7.0)	16m 57s
lms-4(py=3.11,dj=pinned,mongo=7.0)	22m 34s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 3s
lms-6(py=3.11,dj=pinned,mongo=7.0)	17m 46s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 26s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 22s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 19s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 18s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 41s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 42s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	12m 10s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 6s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	10m 44s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 32s
Unit tests successful	3s
coverage (3.11)	1m 47s
compile-warnings-report	15s
merge-artifacts	8s
	3h 14m 39s

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