ID 313857 - KDE display managers affect Mari palettes when switching between applications

Problem summary
KDE display managers affect Mari palettes when switching between applications by modifying QT's default behaviour.

Customer reported version
3.3v1
Customer reported platform
centos7

Steps to reproduce

1) On CentOS7, install a KDE display manager package

2) Open Mari and create a custom or floating palette.

3) Open your web browser and switch between the applications using [ALT+TAB]

4) The floating palettes will minimise.

Workaround
You should try to use display managers such as GNOME which are officially supported and tested in-house.

Reproduced by support
Manual QA - 3.3v1

Expected behaviour
Mari palettes should remain open.

Actual behaviour
Mari palettes that were floating are minimised when switching between the applications.