When adding a certificate, that was already added, under a different name, a success is reported, but the certificate has not been added under the new name.

How reproducible is this bug?:

Always

Steps to reproduce

1. Add a certificate under name e.g. "test1"
2. Add the same certificate under different name, e.g. "test2"

Expected results

Step 2 should report an error or warning that the certificate already exists and was not added under the new name

Actual results

Success message is shown, but the certificate only exists as the original entry.