CSW - Improve CSW tripod placement

[johnb432]

When merged this pull request will:

• Similar to cargo's deploy.
  • Instead of placing randomly, you now must place the tripod yourself.
  • A preview object allows you to place the tripod (position + rotation around z-axis).
  • Once you confirm the deployment, it will start the progressbar.
  • Once the progressbar has finished, it will place the tripod at the same position with the same rotation as the preview object.
  • If there is a surface below the tripod, it will snap the tripod to said surface.

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[PabstMirror]

_tripodPreviewObject modelToWorldVisual [0, 0, 0] 
= [0.0249804,-0.180422,-142.346]

_player modelToWorldVisual [0, 0, 0] 
= [1686.61,5628.52,0.00143862]

offset is -141.348?
placement is blocked, until I scroll mouse, then it works fine

[johnb432]

Fixed, although the solution isn't as elegant as I'd like it to be. Constant offset is easier to handle though.
I'll have to update cargo's deploy too, as it has the same problem.