use a buttonbox to enforce min button size
use a buttonbox to enforce min button size

Change-Id: I3d1023d13bfc49464ea7fcbc38c60421bf992ed2

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