fix(swc): Fix bugs

[kdy1]

Tasks

swc_ecma_parser:

• Fix comment positions. (Closes Comment map key positions are incorrect in some cases in swc_ecmascript 0.29.0 #1530)

swc_ecam_transforms_compat:

• Handle default in destructuring binding patterns. (Closes panic: async function #1477, Closes Cannot transform nested object destructuring with default value #1449)
• async_to_generator: Handle this correctly for async function in key-value properties. (Closes bug: "this" context are not passed properly if the function is async #1455)

swc_ecam_transforms_typescript:

• Handle import defaults. (Closes Typescript commonjs default import is removed #1448)