Adds the whiteship dock marker to the Metastation arrivals (#385) #1148

Job	Run time
Run Linters	1m 50s
Collect data for other tasks	33s
Windows Build	1m 22s
Compile Maps	1m 29s
Integration Tests (birdshot) / run_integration_tests	1m 36s
Integration Tests (blueshift) / run_integration_tests	1m 27s
Integration Tests (deltastation) / run_integration_tests	1m 28s
Integration Tests (gateway_test) / run_integration_tests	1m 28s
Integration Tests (icebox) / run_integration_tests	1m 15s
Integration Tests (metastation) / run_integration_tests	1m 25s
Integration Tests (kilostation2) / run_integration_tests	1m 31s
Integration Tests (multiz_debug) / run_integration_tests	1m 26s
Integration Tests (northstar) / run_integration_tests	1m 28s
Integration Tests (nssjourney) / run_integration_tests	1m 20s
Integration Tests (tramstation) / run_integration_tests	1m 22s
Integration Tests (runtimestation) / run_integration_tests	1m 21s
Integration Tests (voidraptor) / run_integration_tests	1m 31s
Alternate Tests (515, 1603, runtimestation) / run_integration_tests	1m 15s
Check Alternate Tests	0s
Compare Screenshot Tests	12s
	25m 19s

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