Matrix: LDAP search mode.

Maybe this will help with finding other users.

Compose/matrix/synapse/homeserver.yaml

@@ -131,6 +131,7 @@ modules:
   - module: "ldap_auth_provider.LdapAuthProviderModule"
     config:
       enabled: true
+      mode: search
       uri: '{{ LDAP_URI or "ldapi:///run/slapd/ldapi" }}'
       start_tls: {{ LDAP_TLS or False }}
       base: '{{ LDAP_BASE_DN or "ou=People,dc=shore,dc=co,dc=il" }}'