Thanks @88.josh for the idea, I put the tilemap itself at 1, fixed my problem, @britzl, I'm still getting my head around Defold, love the engine, but it does have it's quirks, so if I'm missing something forgive me,
Here's the position of my tilemap, can clearly see the origin, if it has one that is.
Heres the position of my game object
Heres the position of the collection
Position of collection in Main
Position when running game
The only way I've been able to fix this is to add more tiles to the original tilemap in the negative x.
I'm clearly doing something wrong, but I've no idea what.