[FIX] mail: followers: subtypes: correctly notify channels

Except for messages, activities on a document like internal notes posted
trigger notifications to partners and channels following the corresponding
activity's subtype.

Rev. 69ed801 rightly re-introduces a filter on followers to prevent notifying
more partners than necessary. Unfortunately, this filter doesn't take into
account channels, which are thus automatically removed from followers to
notify, whatever the subtypes they follow, e.g. internal notes on a document
don't appear in channels following the 'Note' subtype of this document.

This commit makes sure that channels always pass through that filter, but warns
users that public channels should probably not following internal subtypes.

Also makes the edit subtypes dialog html valid (li's must be inside, e.g., ul).

0 files changed, 0 insertions, 0 deletions