Add quiz report visibility control for coaches #11600

Job	Run time
Path match check	5s
Python postgres unit tests	11m 52s
Python unit tests (3.6)	10m 59s
Python unit tests on Mac OS (3.10)	12m 44s
Python unit tests on Windows Server (3.8)	13m 42s
Python unit tests (3.7)	10m 58s
Python unit tests (3.8)	10m 41s
Python unit tests (3.9)	10m 58s
Python unit tests (3.10)	10m 59s
Python unit tests (3.11)	1s
Python unit tests (3.12)	1s
	1h 33m 0s

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