Nouveau: Heartbeat new activity items

[hnla]

Heartbeat checks and notifies of new act items posted.
Clicking it's link should inject the new item into the main act stream ul list.

Currently this is broken and adds li markup outside the loop.

This is in part due to the changes effected to change the loops relevant classes & data attr to ensure the list are true lists and not displaying messages in r11825 ( see also #7688 ).

Relevant files:
buddypress-activity.js L:58>
groups/single/activity.php ( template ul & parent need classes & data attr swapping )

I have refactored locally to the nth degree and almost got there however cannot get the new activity to inject to the ul (prepend) any change I make to jquery elements selectors for the click events silently breaks Ajax & without errors generated.

[boonebgorges]

If I'm understanding the problem correctly, 7692.diff​ should fix it.

[DJPaul]

Boom! Wonderful. Thanks so much for the patch, Boone!

[djpaul]

In 11909:

Templates, Nouveau: fix Activity heartbeat JS inserting new items in wrong place.

Fixes #7692

Props boonebgorges

[hnla]

Thanks @boonebgorges , was making me cry that one was.