[Code Style] Changes in tag standards: Libraries/legacy. Closes #4625
[Code Style] Changes in tag standards: Libraries/cms. Closes #4603
[Code Style] Changes in tag standards: Libraries/joomla. Closes #4617
[Code Style] Changes in tag standards: Admin Modules and mix. Closes #4632. Closes #4643
[Code Style] Fixing phpcs errors from recent commits
[Code Style] Missed one.
[Code Style] Another indention issue