Bug 1991603: Outcomes portfolio (3) - Signoff circle to have inner dot

On the outcome overview page

Also add an access denied if the values of the 'Add activity' button
are manipulated and there isn't a matching group/collection/outcome

Also fixing issue when outcome type is not selected and we are viewing
the activity page

Change-Id: Id1b4e8a30947b81bef76c92b27929bdf37068518
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>