* - optimized header
- added possibility of extra mobile logo
* - changed behavior of NotificationMenu link get directly open for mobile
* - moved notification links to the top of the menu
* - optimized chat view for mobile
* - added logo branding structure
* - added logo branding structure
* - fixed chat height
* - fixed paddings for internal pages
* Fix linting
* Fix linting
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Co-authored-by: Sebastian Stein <sebastian@codepassion.de>
Co-authored-by: Wolfgang Huß <wolle.huss@pjannto.com>
