fix: remove incorrect key type when filtering inaccessible blocks #32616

Job	Run time
collect-and-verify	4m 22s
lms-1(py=3.11,dj=pinned,mongo=7.0)	11m 6s
lms-2(py=3.11,dj=pinned,mongo=7.0)	12m 13s
lms-3(py=3.11,dj=pinned,mongo=7.0)	14m 47s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 57s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 41s
lms-6(py=3.11,dj=pinned,mongo=7.0)	16m 16s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 43s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 34s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 57s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 33s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 44s
cms-2(py=3.11,dj=pinned,mongo=7.0)	13m 10s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	10m 49s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 31s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 49s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	9m 1s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 30s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 49s
compile-warnings-report	12s
Unit tests successful	3s
coverage (3.11)	1m 37s
merge-artifacts	7s
	3h 24m 31s

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