Add better autocomplete patch to playground #1367

Job	Run time
Check rustdoc WASM target	18s
Check fuzz targets	14s
Run tests	1m 27s
Check lint and rustfmt	54s
Run JS linters	1m 13s
WASM tests	59s
Python tests and maturin build (3.9)	59s
Python tests and maturin build (3.10)	58s
pre-publish checks	0s
Python tests and maturin build (3.11)	1m 1s
Python tests and maturin build (3.12)	1m 22s
All CI stages	3s
pre-publish checks	0s
publish trustfall_filetests_macros	0s
publish trustfall_core	0s
publish trustfall_derive	0s
publish python trustfall	0s
publish trustfall	0s
publish trustfall_stubgen	0s
	9m 28s

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