Fixes #34 floating status bars don't update

[cmische]

Sets owner before UI_FloatingStatusBar_Hero blueprint construction event is hit and prevents failure due to missing owning character.

Honestly I'm new to unreal and I don't totally understand when the blueprint constructor is being called here but I think I lucked into fixing this one by moving the line up.

Thanks so much for this project and keeping it relatively updated! It's been a tremendous resource for my own project and I find your code much easier to use than trying to port over lyra systems so far.