gtk3: render menu arrows with menuitem style not menu style
gtk3: render menu arrows with menuitem style not menu style

Change-Id: I35de4ed31bfb9830f52aa5a25ea12bdf719c56ef

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core