Port "SStechtree startup optimisation" #1955

Job	Run time
Compile Maps	1m 6s
Lint with OpenDream	24s
Find Maps to Test	10s
Run Linters	1m 18s
Windows Build	1m 14s
Alternate Tests	0s
Check Alternate Tests	0s
Unit Tests (almayer) / run_unit_tests	3m 4s
Unit Tests (bigredv2) / run_unit_tests	2m 54s
Unit Tests (chapaev) / run_unit_tests	2m 40s
Unit Tests (chinook) / run_unit_tests	2m 43s
Unit Tests (corsat) / run_unit_tests	3m 8s
Unit Tests (derelict_almayer) / run_unit_tests	3m 20s
Unit Tests (desert_dam) / run_unit_tests	3m 13s
Unit Tests (fiorina_sciannex) / run_unit_tests	3m 11s
Unit Tests (golden_arrow_classic) / run_unit_tests	2m 49s
Unit Tests (golden_arrow) / run_unit_tests	2m 48s
Unit Tests (ice_colony_v1) / run_unit_tests	2m 59s
Unit Tests (ice_colony_v2) / run_unit_tests	3m 22s
Unit Tests (kutjevo) / run_unit_tests	2m 53s
Unit Tests (lv522_chances_claim) / run_unit_tests	3m 14s
Unit Tests (lv624) / run_unit_tests	2m 50s
Unit Tests (lv624_repaired) / run_unit_tests	3m 25s
Unit Tests (new_varadero) / run_unit_tests	3m 10s
Unit Tests (new_varadero_repaired) / run_unit_tests	2m 48s
Unit Tests (prison_station_fop) / run_unit_tests	3m 17s
Unit Tests (rover) / run_unit_tests	2m 43s
Unit Tests (runtime_multiz) / run_unit_tests	2m 48s
Unit Tests (runtime) / run_unit_tests	2m 44s
Unit Tests (shivas_snowball) / run_unit_tests	2m 53s
Unit Tests (sorokyne_strata) / run_unit_tests	3m 4s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	3m 16s
	1h 19m 28s

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