SUMMARY *** When maximize window and un-maximize -- sidebars minimized on wayland! *** STEPS TO REPRODUCE 1. Load Wayland Session 2. Open Dolphin and Un-maximize it 3. Sidebars minimized OBSERVED RESULT Sidebars minimized EXPECTED RESULT As on X11 sidebars keep defined width SOFTWARE/OS VERSIONS KDE Plasma: Manjaro KDE Plasma Version: 5.23.5 KDE Frameworks Version: 5.90.0 Qt Version: 5.15.2