fix: encode spaces as %20 #790

Job	Run time
collect-and-verify	5m 41s
lms-1(py=3.11,dj=pinned,mongo=7.0)	13m 21s
lms-2(py=3.11,dj=pinned,mongo=7.0)	12m 31s
lms-3(py=3.11,dj=pinned,mongo=7.0)	13m 19s
lms-4(py=3.11,dj=pinned,mongo=7.0)	12m 26s
lms-5(py=3.11,dj=pinned,mongo=7.0)	9m 20s
lms-6(py=3.11,dj=pinned,mongo=7.0)	9m 20s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 37s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 21s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	9m 11s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 23s
cms-1(py=3.11,dj=pinned,mongo=7.0)	5m 29s
cms-2(py=3.11,dj=pinned,mongo=7.0)	14m 44s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	12m 13s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 41s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	7m 38s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 58s
Unit tests successful	2s
coverage	0s
compile-warnings-report	0s
	2h 46m 15s

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