Bug 1022985 - SmartCollection is not placed where you tap

https://bugzilla.mozilla.org/show_bug.cgi?id=1022985

Gaia-try: https://tbpl.mozilla.org/?tree=Gaia-Try&rev=a4a4cdabaca1
Does this work when adding multiple collections? Where do you unset this so when adding collections outside the homescreen works correctly?