[FEATURE] Visually change FE/BE users/groups icon if linked to LDAP

This feature will add an overlay with text "LDAP" to the record icon
of tables:

- be_groups
- be_users
- fe_groups
- fe_users

if the corresponding record is linked to LDAP.

Resolves: #60134
Change-Id: I7edf030712ea4f710e088a1567a394a3e90b500a
Reviewed-on: https://review.typo3.org/31436
Tested-by: Thierry Brodard
Reviewed-by: Armin Ruediger Vieweg
Reviewed-by: Thierry Brodard
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers