Implement Tree Search Functionality with Highlighting and Filtering #694

Job	Run time
🧪 Unit tests	3m 10s
cache-env	1s
🔌 GDExtension / 🐧 Linux (x86_64, release)	22s
🪟 Windows / Editor (x86_64, release)	8m 44s
🔌 GDExtension / 🐧 Linux (x86_64, debug)	38s
🍎 macOS / Editor (x86_64, release)	46s
🐧 Linux / Editor (x86_64, release)	16m 13s
🔌 GDExtension / 🪟 Windows (x86_64, release)	2m 5s
🍎 macOS / Editor (arm64, release)	46s
🐧 Linux / Template (x86_64, release)	9m 43s
🔌 GDExtension / 🪟 Windows (x86_64, debug)	2m 22s
🐧 Linux / Editor .NET (x86_64, release)	17m 37s
🔌 GDExtension / 🍎 macOS (universal, release)	51s
🔌 GDExtension / 🍎 macOS (universal, debug)	52s
🍎 macOS / Make macOS Bundles	0s
🔌 GDExtension / 📦 Package extension	28s
	1h 4m 38s

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