Resize the left columns of MainView, OpenGameView and ClosedGameView

Reported-by: hlong290494
SIgned-off by: Long Nguyen Duc Hoang <lhnguyenduc@wpi.edu>
Replace the blank icon & fix remove set enabled in Create Deck View when the list is empty.

Reported-by: hlong290494
Signed-off by: Long Nguyen Duc Hoang <lhnguyenduc@wpi.edu>
Merge pull request #415 from hlong290494/sbl-dev

Minor fixes