`ts_query_captures_wasm` started the cursor with `ts_query_cursor_exec`,
which clears the cursor's options, so the `progressCallback` passed to
`Query.captures` was never called and couldn't stop the query. Start it
with `ts_query_cursor_exec_with_options`, as `ts_query_matches_wasm`
does.

Co-authored-by: Eric Meadows-Jönsson <eric.meadows.jonsson@gmail.com>