Add pwdStartTime / pwdEndTime attribute to user password policy tab edition

Actual behavior

Cannot edit attribute pwdEndTime in user through webUI or REST API

Expected behavior

Editing attribute pwdStartTime or pwdEndTime in user through webUI or REST API

Benefits

This attribute is part of ppolicy schema since OpenLDAP 2.5.

Would you be interested to receive a PR to add these attributes to the password policy tab in user edition ?

Since it is only supported since Openldap 2.5 it should not be proposed by default but activated through config.

I know there is quite a lot of work to do around the password policy support in Fusiondirectory, this PR could also address a few other problem (such as pwdAccountLockedTime not being editable either which is also "sad" when working with rest API)