fix/4142/node-modules-not-excluded

[Nereboss]

Fix exclude pattern not correctly working for direct children of project root

Closes: #4142

Description

Due to a bug all exclude patterns that started with a '/' did not apply to direct subfolders of the folder that CodeCharta was called on. This PR fixes this and adds a test for exclude patterns

Definition of Done

A PR is only ready for merge once all the following acceptance criteria are fulfilled:

• Changes have been manually tested
• All TODOs related to this PR have been closed
• There are automated tests for newly written code and bug fixes
• All bugs discovered while working on this PR have been submitted as issues (if not already an open issue)
• Documentation (GH-pages, analysis/visualization READMEs, parser READMEs, --help, etc.) has been updated (almost always necessary except for bug fixes)
• CHANGELOG.md has been updated

Screenshots or gifs

[sonarqubecloud]

Quality Gate passed for 'CodeCharta Analysis'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud