RFR: 8345154: IGV: Show Parse and Assertion Predicate type as extra label

[Christian Hagedorn]

On Thu, 28 Nov 2024 07:31:55 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

> `ParsePredicate` and `If/RangeCheck` nodes for Assertion Predicates dump their respective type to the `dump_spec` string. We can parse this info and show it in the "Show custom node info" filter as done for other nodes already:
> 
> ![Screenshot from 2024-11-28 08-16-23](https://github.com/user-attachments/assets/0de53873-8aa2-47b9-9275-d90c05deecd3)
> 
> Thanks,
> Christian

Thanks Roberto for the review!

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PR Comment: https://git.openjdk.org/jdk/pull/22428#issuecomment-2506186882