Bug 1676230: Style group view list page for non-editable member correctly

Previously we had a pair of different templates for this - but we just
need to have a flag to hide edit buttons when one can't doesn't have
edit rites

behatnotneeded

Change-Id: Iff591157ea787f25163c1243789337eceb95b2fd
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>