Fix most of code lines shown as bugs by SonarCube
What was shown by SonarCube was not real bugs, but it was syntax that made the code less memory efficient.
GitLab upgrade completed. Current version is 18.1.6 - https://about.gitlab.com/releases/2025/06/19/gitlab-18-1-released/
What was shown by SonarCube was not real bugs, but it was syntax that made the code less memory efficient.