Adds storage to helmets, which can overlay certain items in them #15214

Job	Run time
Compile Maps	35s
Run Linters	2m 53s
Windows Build	1m 8s
Integration Tests (BASIC_TESTS) / run_integration_tests	1m 15s
Integration Tests (CREATE_AND_DESTROY_TEST) / run_integration_tests	1m 12s
Integration Tests (PLANET_GEN_TEST) / run_integration_tests	2m 2s
Integration Tests (RUIN_PLACEMENT_TEST) / run_integration_tests	1m 18s
Integration Tests (SHIP_PLACEMENT_TEST) / run_integration_tests	1m 19s
	11m 42s

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