Raku: fix quote-words and more

Operator handling has been reviewed to determine if \< is an operator or a term

```pl
$i < 1
$i + < 1
     ^ string delimiter
```

- fix `\cNNNN`
- fix range operator in a regex
- fix some pattern in regex
- fix adverb argument
- ....

New highlighting:

- Symbol
- Hyper Operator
- Member Operator
- Number Suffix
- Pattern Bracket
- Pattern Delimiter
- Pattern Named Capture

BUG: 460347