test(connector-corda): fix flow-database-access-v4-8 test case

[petermetz]

Primary Change:

1. The test case was broken due to a number of different issues related
   to the AIO image build an also the connector image build, but on top of
   those problems it also had misconfiguration issues where the port number
   wasn't set to what it should be for the RPC connection that the connector
   container uses to establish communications with the AIO ledger image.

Secondary Change(s):

1. Fixed 2 bugs in the test tooling package where the port configuration
   was not randomizing the exposed ports of the corda connector container and
   the corda test ledger leading to accessibility issues.
2. Also introduced a createJvmInt(...) utility function on the corda connector
   package which allows the flowdb test case to construct the flow invocation
   requests with much less manual labor (manual coding).

In order to properly verify that this test case is working, a few other
pull requests have to be merged first and container images from those
sources published as well.

In addition to the pull request dependencies we also depend on a permission
issue being resolved in the larger GitHub organization itself as well:
hyperledger/governance#299

Depends on #3386
Depends on #3387

Signed-off-by: Peter Somogyvari [email protected]

Pull Request Requirements

• Rebased onto upstream/main branch and squashed into single commit to help maintainers review it more efficient and to avoid spaghetti git commit graphs that obfuscate which commit did exactly what change, when and, why.
• Have git sign off at the end of commit message to avoid being marked red. You can add -s flag when using git commit command. You may refer to this link for more information.
• Follow the Commit Linting specification. You may refer to this link for more information.

Character Limit

• Pull Request Title and Commit Subject must not exceed 72 characters (including spaces and special characters).
• Commit Message per line must not exceed 80 characters (including spaces and special characters).

A Must Read for Beginners
For rebasing and squashing, here's a must read guide for beginners.

[github-actions]

This PR/issue depends on:

• hyperledger/cacti#3386
• hyperledger/cacti#3387
  By Dependent Issues (🤖). Happy coding!