Fixes #979: Top drawer and background missing on first boot
* Update KDE Frameworks to 5.41.0 * Bump pkgrel of packages depending on the KDE Framework update
* Add postmarketos-ui-plasma-mobile * Add more required packages * Upgrade plasma sources * Modernize APKBUILDs * Make it run in general * Support RGB32 framebuffer with BGR order (thanks @zhuowei!)