do some black magic workaround for the parent thread read/unread status
do some black magic workaround for the parent thread read/unread status

rbowen/ponymail,jimjag/ponymail,quenda/ponymail,Humbedooh/ponymail,Humbedooh/ponymail,jimjag/ponymail,Humbedooh/ponymail,rbowen/ponymail,rbowen/ponymail,jimjag/ponymail,quenda/ponymail,quenda/ponymail,jimjag/ponymail