Display thumbnailview scrollbar in template dialog.
Display thumbnailview scrollbar in template dialog.

Change-Id: I836eb9ee81a21f91bbf99148b61626cf1781159b

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