Ingo Schommer 79eacb2439 FIX Group->canEdit() correct non-admin checks (fixes #8250)
Due to changed return value of DataObject::get(),
the (negated) check always returned false.
This wasn't noticed in 3.0 because Group->canEdit() is rarely
enforced, but does become noticeable in 3.1 where GridField
checks those object-level permissions.

Thanks to @purplespider for reporting!
2013-02-07 09:19:57 +01:00
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