add margin before/after button handles in tabbar
add margin before/after button handles in tabbar

Change-Id: Id9b16fc4168febd217a2d263a158daca85fdea38

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