fix: [AXM-791] fix error 404 handling and optimize for not modified b… #780

Job	Run time
collect-and-verify	4m 19s
lms-1(py=3.11,dj=pinned,mongo=7.0)	4m 26s
lms-2(py=3.11,dj=pinned,mongo=7.0)	4m 19s
lms-3(py=3.11,dj=pinned,mongo=7.0)	4m 24s
lms-4(py=3.11,dj=pinned,mongo=7.0)	4m 19s
lms-5(py=3.11,dj=pinned,mongo=7.0)	4m 17s
lms-6(py=3.11,dj=pinned,mongo=7.0)	4m 14s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	29s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	21s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	2m 19s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	31s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 22s
cms-2(py=3.11,dj=pinned,mongo=7.0)	4m 27s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	4m 27s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	4m 29s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	1s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	1s
coverage	1s
compile-warnings-report	1s
Unit tests successful	2s
	51m 49s

Provide feedback