Bug 1724704: The webservice connection manager 'Add' field missing

It only shows if there are existing connection objects

So will split out the add form from the objects list

behatnotneeded

Change-Id: Iec66f2a8a9bfb744b9673ee9a797246e1a59f420
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
(cherry picked from commit 6aa41223)