System /  Trust / Certificates : fix "PHP Warning:  count(): Parameter must be an array or an object t..." closes https://github.com/opnsense/core/issues/4690
System /  Trust / Certificates : fix "PHP Warning:  count(): Parameter must be an array or an object t..." closes https://github.com/opnsense/core/issues/4690

opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core