Make title edit box 50% of the overlay width.
Make title edit box 50% of the overlay width.

Change-Id: If8fb15738c0c87f67a39ae53f36e7f3839ca7dcc

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