Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

tests/docker/ldap/60-groups.ldif

@@ -0,0 +1,20 @@
+dn: ou=groups,dc=stalwart,dc=test
+objectClass: organizationalUnit
+ou: groups
+
+dn: cn=sales,ou=groups,dc=stalwart,dc=test
+objectClass: groupOfNames
+objectClass: extensibleObject
+cn: sales
+mail: [email protected]
+member: uid=john.doe,ou=users,dc=stalwart,dc=test
+member: uid=jane.smith,ou=users,dc=stalwart,dc=test
+
+dn: cn=corporate,ou=groups,dc=stalwart,dc=test
+objectClass: groupOfNames
+objectClass: extensibleObject
+cn: corporate
+mail: [email protected]
+mailAlias: [email protected]
+member: uid=bill.foobar,ou=users,dc=stalwart,dc=test
+member: uid=jane.smith,ou=users,dc=stalwart,dc=test