hide filter and table header if no sessions for course #6560

Job	Run time
Lint	1m 4s
frontend Test With Embroider	4m 19s
frontend Build With Embroider	2m 44s
lti-course-manager Test With Embroider	53s
frontend Build (20)	1m 52s
lti-course-manager Build With Embroider	2m 30s
lti-dashboard Test With Embroider	57s
test-app Build (20)	1m 22s
lti-dashboard Build With Embroider	2m 26s
lti-course-manager Build (20)	1m 25s
lti-dashboard Build (20)	1m 20s
frontend Test (20)	4m 49s
test-app Test (20)	2m 10s
lti-course-manager Test (20)	1m 0s
lti-dashboard Test (20)	1m 1s
Scan with UCSF SonarQube	29s
Browser Stack Test (frontend, BS_OSX_Safari)	10m 44s
frontend Firefox latest-esr	4m 43s
Browser Stack Test (frontend, BS_IOS_SAFARI)	10m 56s
test-app Firefox latest-esr	2m 27s
Browser Stack Test (frontend, BS_CHROME_ANDROID)	10m 32s
Browser Stack Test (test-app, BS_OSX_Safari)	5m 50s
lti-course-manager Firefox latest-esr	1m 11s
Browser Stack Test (test-app, BS_IOS_SAFARI)	4m 51s
lti-dashboard Firefox latest-esr	1m 12s
Browser Stack Test (test-app, BS_CHROME_ANDROID)	5m 11s
Test and Capture Screenshots (frontend)	10m 50s
Test and Capture Screenshots (test-app)	4m 40s
	1h 43m 28s

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