Fix aggregator of no-indexed content fields for transaction searches

We should use the one in %rest instead of "AND". We copied the "AND" from
Tickets.pm, but forgot to change it when commenting out the Limit call above
that excludes "EmailRecord" and "CommentEmailRecord" type.

lib/RT/Transactions.pm

@@ -834,7 +834,7 @@ sub _AttachContentLimit {
         # );
 
         $self->Limit(
-            ENTRYAGGREGATOR => 'AND',
+            %rest,
             ALIAS           => $self->{_sql_aliases}{attach},
             FIELD           => $field,
             OPERATOR        => $op,