Adds Synthetic Manufacturers #17618

Job	Run time
Compile Maps	1m 29s
Run Linters	1m 36s
Windows Build	2m 18s
Find Maps to Test	10s
Unit Tests (almayer) / run_unit_tests	2m 46s
Unit Tests (chinook) / run_unit_tests	2m 45s
Unit Tests (corsat) / run_unit_tests	2m 43s
Unit Tests (bigredv2) / run_unit_tests	2m 45s
Unit Tests (ice_colony_v2) / run_unit_tests	2m 46s
Unit Tests (kutjevo) / run_unit_tests	2m 50s
Unit Tests (fiorina_sciannex) / run_unit_tests	2m 45s
Unit Tests (lv522_chances_claim) / run_unit_tests	2m 44s
Unit Tests (desert_dam) / run_unit_tests	2m 44s
Unit Tests (lv624) / run_unit_tests	2m 46s
Unit Tests (new_varadero) / run_unit_tests	2m 44s
Unit Tests (runtime) / run_unit_tests	2m 44s
Unit Tests (prison_station_fop) / run_unit_tests	2m 45s
Unit Tests (shivas_snowball) / run_unit_tests	2m 44s
Unit Tests (sorokyne_strata) / run_unit_tests	2m 40s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	2m 37s
Alternate Tests (515, 1610, lv624) / run_unit_tests	1m 29s
Check Alternate Tests	0s
	50m 50s

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