Minor LSP fixups #954

Job	Run time
docs	1m 54s
rustfmt	12s
runefmt	1m 49s
clippy	2m 18s
basics	1s
msrv	2m 21s
miri_rune_alloc	5m 0s
miri_rune	7m 2s
build_feature (capture-io)	58s
build_feature (cli,doc)	1m 36s
no_default_features	1m 3s
no_std_minimal	2m 55s
build_feature (cli,fmt)	1m 33s
wasm	1m 14s
build_feature (cli)	1m 32s
build_feature (workspace)	1m 0s
build_feature (languageserver)	1m 28s
build_feature (byte-code)	59s
test	11m 51s
	46m 46s

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