osd: moving selected action on repeated showing

Sergey Katuninrequested to merge
sgakerru/kscreen:moving-on-repeated-showing into master

At the moment, when the display switching menu is called again (for example, by pressing Win+P), there is no movement in the list of actions.

However, it would be convenient, and this is how it works on Windows OS, for example.

This change adds a move to the right on repeated showing of OSD, by invoking new moveRight QML function.

Edited by Sergey Katunin

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