RFR: 8080: Add support for enabling jfr on native images [v4]

[Christoph Langer]

On Tue, 13 Jun 2023 17:04:25 GMT, Alex Macdonald <aptmac at openjdk.org> wrote:

>> This PR addresses JMC-8080 [[0]](https://bugs.openjdk.org/browse/JMC-8080), in which it would be nice to add support for enabling flight recorder on GraalVM native images.
>> 
>> Currently, trying to use the flight recording wizard on a connected native image ends up with an error dialog:
>> ![native-image](https://github.com/openjdk/jmc/assets/10425301/a04b49db-922c-451e-89d8-0cc951e3bbda)
>> 
>> The proposed solution here adds checks to determine if the vm is of type Substrate VM, and check if there is a flightrecording mbean registered.
>> 
>> [0] https://bugs.openjdk.org/browse/JMC-8080
>
> Alex Macdonald has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix typo

Marked as reviewed by clanger (Committer).

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PR Review: https://git.openjdk.org/jmc/pull/491#pullrequestreview-1477995273