larger dialog for Issue Cross certificate + more hints about the content

The complete Name of the person sending is not completely visible (Screenshots further down, all bright green area is the Person sending (or his company or his domain), the second screenshit is made, after klicking on the drop down Arrow.)

This is a security relevant setting popping up millions of times.

Additionaly: Wenn getting the same dialog again for the same CA or another Person in the same company, one can expect many of the other information to be identical, again.

=> Some green / yellow / Red road Sign symbols /warnings could help handling the dialog in a safe wa