refactor : turning newscasters into "props" #20974

Job	Run time
Lint with OpenDream	1m 46s
Compile Maps	33s
Find Maps to Test	1m 56s
Run Linters	2m 32s
Windows Build	1m 27s
Unit Tests (almayer) / run_unit_tests	48s
Unit Tests (bigredv2) / run_unit_tests	49s
Unit Tests (chinook) / run_unit_tests	1m 2s
Unit Tests (corsat) / run_unit_tests	51s
Unit Tests (desert_dam) / run_unit_tests	55s
Unit Tests (kutjevo) / run_unit_tests	47s
Unit Tests (fiorina_sciannex) / run_unit_tests	45s
Unit Tests (ice_colony_v2) / run_unit_tests	46s
Unit Tests (lv522_chances_claim) / run_unit_tests	46s
Unit Tests (lv624) / run_unit_tests	44s
Unit Tests (new_varadero) / run_unit_tests	56s
Unit Tests (runtime) / run_unit_tests	52s
Unit Tests (prison_station_fop) / run_unit_tests	46s
Unit Tests (shivas_snowball) / run_unit_tests	57s
Unit Tests (sorokyne_strata) / run_unit_tests	48s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	49s
Alternate Tests (515, 1610, lv624) / run_unit_tests	49s
Check Alternate Tests	0s
	22m 24s

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