Add better autocomplete patch to playground #1368

Job	Run time
Run tests	1m 36s
Check rustdoc WASM target	13s
Check lint and rustfmt	1m 2s
Check fuzz targets	30s
Run JS linters	1m 36s
WASM tests	1m 32s
Python tests and maturin build (3.9)	51s
pre-publish checks	0s
Python tests and maturin build (3.10)	1m 7s
Python tests and maturin build (3.11)	53s
Python tests and maturin build (3.12)	1m 24s
All CI stages	8s
pre-publish checks	0s
publish trustfall_filetests_macros	0s
publish trustfall_core	0s
publish python trustfall	0s
publish trustfall_derive	0s
publish trustfall	0s
publish trustfall_stubgen	0s
	10m 52s

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