gz: Fix endless wait for gazebo on different worlds (#23613) #1

Job	Run time
build (check_format)	1m 2s
build (check_newlines)	1m 25s
build (tests)	5m 43s
build (tests_coverage)	7m 31s
build (px4_fmu-v2_default stack_check)	3m 11s
build (validate_module_configs)	47s
build (shellcheck_all)	1m 29s
build (NO_NINJA_BUILD=1 px4_fmu-v5_default)	4m 7s
build (NO_NINJA_BUILD=1 px4_sitl_default)	3m 22s
build (px4_sitl_allyes)	4m 17s
build (airframe_metadata)	58s
build (module_documentation)	1m 1s
build (parameters_metadata)	1m 8s
	36m 1s

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