Fixes T19271
Fixes T19271

Copy the required qt plugin for icon switching.

fmilano/mitk,RabadanLab/MITKats,iwegner/MITK,fmilano/mitk,RabadanLab/MITKats,MITK/MITK,fmilano/mitk,MITK/MITK,iwegner/MITK,RabadanLab/MITKats,MITK/MITK,MITK/MITK,RabadanLab/MITKats,RabadanLab/MITKats,iwegner/MITK,iwegner/MITK,fmilano/mitk,MITK/MITK,fmilano/mitk,iwegner/MITK,fmilano/mitk,MITK/MITK,fmilano/mitk,RabadanLab/MITKats,iwegner/MITK