Add video tab

[selinanatschke-mms]

Description

• split up sessions tab, that included session information and video into two separate tabs: browser info and video
• added more information to the browser info tab e.g. session metrics
• added linking between video id and session id if they are available

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing tests pass locally with my changes
• [ ] Any dependent changes have been merged and published in downstream modules

[martingrossmann]

Looks great for me. But please fix the report test testT01_checkDisplayedSessionGotContent. It still tries to find the old Sessions tab.