Wind 97fc190cc5
allow raw string to be used inside subexpression, list, and closure (#12776)
# Description
Fixes: #12744

This pr is moving raw string lex logic into `lex_item` function, so we
can use raw string inside subexpression, list, closure.
```nushell
> [r#'abc'#]
╭───┬─────╮
│ 0 │ abc │
╰───┴─────╯
> (r#'abc'#)
abc
> do {r#'aa'#}
aa
```

# Tests + Formatting
Done

# After Submitting
NaN
2024-05-06 15:53:58 -05:00
..
2024-03-14 15:51:55 -05:00
2024-04-24 15:46:35 +00:00