CORE-16626 Replace string UUIDs with UUID objects

[ac101m]

Changes

• Change type of groupId field in IntropIdentityInfo from string to UUID object.
• Change type of groupId parameter of callFacade() in FlowMessaging from string to UUID object.
• Bump API version to 24.

[corda-jenkins-ci02]

Jenkins build for PR 1290 build 3

Build Successful:
Jar artifact version produced by this PR: 5.1.0-INTEROP.24-alpha-1698084218403

[corda-jenkins-ci02]

Non-blocking downstream job failed for corda-e2e-test

https://ci02.dev.r3.com/job/Corda5/job/corda-api-compatibility/job/PR-1290/2/ has failed for PR 1290 build 2

Please investigate if your changes may have broken compilation on https://github.com/corda/corda-e2e-tests

[dickon]

Isn't this a breaking change to the API? I don't see this aligns with https://r3-cev.atlassian.net/wiki/spaces/CB/pages/4601151665/Evolution+of+the+CorDapp+API

[szymonsztuka]

Isn't this a breaking change to the API? I don't see this aligns with https://r3-cev.atlassian.net/wiki/spaces/CB/pages/4601151665/Evolution+of+the+CorDapp+API

@dickon No API is broken as this is the feature branch never released.

[dickon]

@dickon No API is broken as this is the feature branch never released.
Ah yes, my bad, I'd missed the target of this was not a release branch, and you're right that this declaration never went into a frozen branch, please disregard my comment.