sources/ldap: fix mapping check, fix debug endpoint (#11442) * run connectivity check always * don't run sync if either sync_ option is enabled and no mappings are set * misc label fix * misc writing changse * add api validation * fix debug endpoint --------- Signed-off-by: Jens Langhammer <jens@goauthentik.io> Co-authored-by: Jens L. <jens@goauthentik.io>