gtk: attempt to fix visual glitches around edit fields
gtk: attempt to fix visual glitches around edit fields

Change-Id: I0c97840e610e6f2170a758afbd263ce6cd9e3129

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