Enhance JBoss EAP port detection

[thepetk]

What does this PR do?

This PR follows the instructions given in alizer#195-comment in order to detect any configured ports for JBoss EAP detected components.

As a result, when we identify a configuration > javaOpts field inside pom.xml, we are trying to match the json.http.port for and get the port value configured in the plugin.

Which issue(s) does this PR fix

Partially fixes #195

PR acceptance criteria

Testing and documentation do not need to be complete in order for this PR to be approved. We just need to ensure tracking issues are opened.

• [x] Unit/Functional tests

• [x] Documentation

How to test changes / Special notes to the reviewer

[thepetk]

@mike-hoang all gosec warnings have been fixed