Description of problem:
Default selection on View Certificates page should be 'view' if a cert is selected, not 'ok'.

If you highlight a cert via arrow keys and hit 'enter', it should open that cert for viewing, not close the view certs window.

Version-Release number of selected component (if applicable):
esc-1.0.0-37.el5

How reproducible:
Always

Steps to Reproduce:
1. Insert a formatted, enrolled card, open ESC, and click 'View Certificates'.
2. If not already selected, select 'Your Certificates'
3. Use arrow keys to move to a cert, and hit enter.
  
Actual results:
Closes the window.

Expected results:
Show the certs for the selected cert.

Additional info:
Not a regression.