Fix reparenting an agent deactivates its HSM #434

Job	Run time
cache-env	1s
🧪 Unit tests	2m 46s
🐧 Linux / Editor (x86_64, release)	12m 34s
🪟 Windows / Editor (x86_64, release)	8m 38s
🍎 macOS / Editor (x86_64, release)	3m 44s
🐧 Linux / Template (x86_64, release)	8m 37s
🔌 GDExtension / 🐧 Linux (x86_64, release)	22s
🪟 Windows / Editor .NET (x86_64, release)	11m 33s
🍎 macOS / Editor (arm64, release)	3m 9s
🔌 GDExtension / 🐧 Linux (x86_64, debug)	34s
🔌 GDExtension / 🪟 Windows (x86_64, release)	4m 59s
🔌 GDExtension / 🪟 Windows (x86_64, debug)	3m 20s
🔌 GDExtension / 🍎 macOS (universal, release)	1m 6s
🔌 GDExtension / 🍎 macOS (universal, debug)	1m 0s
🔌 GDExtension / 🌐 Web (wasm32, release)	27s
🔌 GDExtension / 🌐 Web (wasm32, debug)	39s
🍎 macOS / Make macOS Bundles (tmp-macos, false, true)	38s
🔌 GDExtension / 📦 Package extension	32s
	1h 4m 39s

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