Fix observer huds resetting if ghostized while disconnected #25251

Job	Run time
Lint with OpenDream	19s
Compile Maps	41s
Run Linters	2m 7s
Find Maps to Test	11s
Windows Build	1m 25s
Alternate Tests	0s
Check Alternate Tests	0s
Unit Tests (almayer) / run_unit_tests	3m 4s
Unit Tests (bigredv2) / run_unit_tests	2m 55s
Unit Tests (chinook) / run_unit_tests	2m 48s
Unit Tests (corsat) / run_unit_tests	2m 56s
Unit Tests (desert_dam) / run_unit_tests	2m 57s
Unit Tests (ice_colony_v2) / run_unit_tests	2m 50s
Unit Tests (fiorina_sciannex) / run_unit_tests	2m 50s
Unit Tests (kutjevo) / run_unit_tests	2m 50s
Unit Tests (lv522_chances_claim) / run_unit_tests	2m 49s
Unit Tests (lv624) / run_unit_tests	2m 52s
Unit Tests (new_varadero) / run_unit_tests	3m 22s
Unit Tests (prison_station_fop) / run_unit_tests	3m 3s
Unit Tests (runtime) / run_unit_tests	2m 44s
Unit Tests (shivas_snowball) / run_unit_tests	3m 11s
Unit Tests (sorokyne_strata) / run_unit_tests	2m 50s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	2m 43s
	51m 27s

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