[MIRROR] Add smooth transition between hidden and visible pipes #5074

Job	Run time
Run Linters	2m 57s
Collect data for other tasks	12s
Compile Maps	3m 22s
Windows Build	2m 12s
Integration Tests (blueshift) / run_integration_tests	12m 36s
Integration Tests (birdshot) / run_integration_tests	11m 43s
Integration Tests (deltastation) / run_integration_tests	11m 30s
Integration Tests (gateway_test) / run_integration_tests	12m 14s
Integration Tests (icebox) / run_integration_tests	11m 49s
Integration Tests (kilostation2) / run_integration_tests	10m 56s
Integration Tests (metastation) / run_integration_tests	11m 5s
Integration Tests (multiz_debug) / run_integration_tests	10m 15s
Integration Tests (northstar) / run_integration_tests	12m 32s
Integration Tests (nssjourney) / run_integration_tests	10m 54s
Integration Tests (runtimestation) / run_integration_tests	9m 50s
Integration Tests (tramstation) / run_integration_tests	11m 33s
Integration Tests (voidraptor) / run_integration_tests	11m 51s
Alternate Tests (515, 1621, runtimestation) / run_integration_tests	10m 32s
Check Alternate Tests	1s
Compare Screenshot Tests	3m 9s
	2h 51m 13s

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