Bug 16570: Do not tell all checked-in items are part of a rotating collection

Bug 16570: Do not tell all checked-in items are part of a rotating collection

When an item is checked-in a message will tell you it's part of a
rotating collection, even if it's not true.

Test plan:
Make sure the message appears only when needed.

Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 8794348ccbb156ddd1ec53702b5afebea1747976)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>