fix/support-parsing-ts-as-in-destructured-assignment

[JohnDaly]

Description:

Update reparse_expr_as_pat_inner to handle TsAs expressions for AssignmentElement patterns.

This enables support for the following pattern:

let a;
[a as number] = [1];

Related issue (if exists):
#5947

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[kdy1]

Can you sign the CLA?

[kdy1]

Thanks!

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swc-bump:

• swc_ecma_parser