Add quiz report visibility control for coaches #6192

Job	Run time
prnumber	2s
Build WHL file / Build WHL	9m 43s
Build DEB file / Build DEB file	4m 45s
Build EXE file / Build EXE file	1m 5s
Build APK file / build_apk	22m 12s
Build PEX file / Build PEX	42s
Build DMG file / build_dmg	7m 3s
Build Raspberry Pi Image / Build Pi image	5m 36s
	51m 8s

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