Ports various area/turf performance improvements from /tg/ #9001

Job	Run time
Run Linters	2m 1s
Collect data for other tasks	12s
Windows Build	1m 59s
Compile Maps	2m 20s
Integration Tests (blueshift) / run_integration_tests	9m 45s
Integration Tests (boxstation) / run_integration_tests	9m 43s
Integration Tests (deltastation) / run_integration_tests	9m 44s
Integration Tests (icebox) / run_integration_tests	9m 43s
Integration Tests (kilostation) / run_integration_tests	9m 44s
Integration Tests (metastation) / run_integration_tests	9m 43s
Integration Tests (northstar) / run_integration_tests	9m 44s
Integration Tests (multiz_debug) / run_integration_tests	9m 43s
Integration Tests (runtimestation) / run_integration_tests	9m 48s
Integration Tests (tramstation) / run_integration_tests	9m 48s
Alternate Tests (515, 1627, runtimestation) / run_integration_tests	9m 43s
Check Alternate Tests	1s
Compare Screenshot Tests	1s
	1h 53m 42s

Provide feedback