[MIRROR] Renames js files into "proper" jsx #1922

Job	Run time
Collect data for other tasks	17s
Run Linters	2m 0s
Compile Maps	4m 4s
Windows Build	2m 57s
Integration Tests (blueshift) / run_integration_tests	11m 45s
Integration Tests (birdshot) / run_integration_tests	11m 16s
Integration Tests (deltastation) / run_integration_tests	11m 9s
Integration Tests (gateway_test) / run_integration_tests	13m 28s
Integration Tests (kilostation2) / run_integration_tests	10m 41s
Integration Tests (metastation) / run_integration_tests	10m 59s
Integration Tests (icebox) / run_integration_tests	11m 21s
Integration Tests (multiz_debug) / run_integration_tests	10m 18s
Integration Tests (northstar) / run_integration_tests	11m 43s
Integration Tests (nssjourney) / run_integration_tests	10m 57s
Integration Tests (runtimestation) / run_integration_tests	9m 59s
Integration Tests (tramstation) / run_integration_tests	10m 57s
Integration Tests (voidraptor) / run_integration_tests	10m 54s
Alternate Tests (515, 1603, runtimestation) / run_integration_tests	13m 48s
Compare Screenshot Tests	3m 56s
Check Alternate Tests	1s
	2h 52m 30s

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