BUG/MINOR: ssl/cli: 'set ssl cert' does not check the transaction name correctly

BUG/MINOR: ssl/cli: 'set ssl cert' does not check the transaction name correctly

Since commit  089c13850f ("MEDIUM: ssl: ssl-load-extra-del-ext work
only with .crt"), the 'set ssl cert' CLI command does not check
correctly if the transaction you are trying to update is the right one.

The consequence is that you could commit accidentaly a transaction on
the wrong certificate.

The fix introduces the check again in case you are not using
ssl-load-extra-del-ext.

This must be backported in all stable versions.