Switch tree-sitter wasm embed from base64 string to `with { type: 'fi… #451

Job	Run time
build-freebuff	1m 30s
build-and-smoke-freebuff-windows	1m 25s
e2e-ads-behavior	1m 2s
e2e-slash-commands	56s
e2e-version	1m 11s
e2e-startup	1m 6s
e2e-help-command	1m 15s
e2e-terminal-command	1m 8s
e2e-agent-startup	2m 20s
e2e-code-edit	57s
	12m 50s

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