Fix post-SD detonation timer #18996

Job	Run time
Lint with OpenDream	2m 14s
Compile Maps	1m 2s
Run Linters	1m 23s
Windows Build	1m 38s
Find Maps to Test	12s
Unit Tests (bigredv2) / run_unit_tests	6m 1s
Unit Tests (almayer) / run_unit_tests	6m 16s
Unit Tests (corsat) / run_unit_tests	5m 57s
Unit Tests (chinook) / run_unit_tests	5m 49s
Unit Tests (ice_colony_v2) / run_unit_tests	5m 53s
Unit Tests (kutjevo) / run_unit_tests	5m 47s
Unit Tests (fiorina_sciannex) / run_unit_tests	6m 13s
Unit Tests (desert_dam) / run_unit_tests	5m 53s
Unit Tests (lv522_chances_claim) / run_unit_tests	5m 51s
Unit Tests (lv624) / run_unit_tests	6m 1s
Unit Tests (new_varadero) / run_unit_tests	5m 54s
Unit Tests (prison_station_fop) / run_unit_tests	5m 47s
Unit Tests (runtime) / run_unit_tests	5m 38s
Unit Tests (shivas_snowball) / run_unit_tests	6m 43s
Unit Tests (sorokyne_strata) / run_unit_tests	6m 8s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	5m 54s
Alternate Tests (515, 1610, lv624) / run_unit_tests	5m 44s
Check Alternate Tests	1s
	1h 47m 59s

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