[MIRROR] Reworks `invisimin` variable to a trait #2397

Job	Run time
Collect data for other tasks	19s
Run Linters	2m 48s
Compile Maps	3m 5s
Check Alternate Tests	0s
Windows Build	2m 8s
Integration Tests (birdshot) / run_integration_tests	11m 27s
Integration Tests (blueshift) / run_integration_tests	12m 10s
Integration Tests (icebox) / run_integration_tests	11m 50s
Integration Tests (gateway_test) / run_integration_tests	12m 52s
Integration Tests (kilostation2) / run_integration_tests	11m 2s
Integration Tests (deltastation) / run_integration_tests	11m 17s
Integration Tests (metastation) / run_integration_tests	11m 10s
Integration Tests (multiz_debug) / run_integration_tests	10m 25s
Integration Tests (northstar) / run_integration_tests	12m 10s
Integration Tests (nssjourney) / run_integration_tests	11m 13s
Integration Tests (runtimestation) / run_integration_tests	10m 2s
Integration Tests (tramstation) / run_integration_tests	11m 18s
Integration Tests (voidraptor) / run_integration_tests	11m 26s
Compare Screenshot Tests	1m 56s
	2h 38m 38s

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