Unusable with 150% display scaling

[ntamer03]

Describe the bug
When display scale in windows is set to 150% lots of components of slate become inaccessible.

To Reproduce
Set windows display scaling to 150% and open Slate.

Expected behavior
What happens from 100% scaling to 125% scaling.

Screenshots
New Layered image at 150%

Creating a new tileset image at 150%

New tileset image at 150%

For comparison:
New tileset image at 125%

New tileset image at 100%

Environment
Up to date Windows 10, Slate 0.9.0

Additional context
Many laptops use 150% display scaling to make them usable, and some high DPI monitors need the same.

[mitchcurtis]

Thanks for the feedback.

lots of components of slate become inaccessible.

To clarify, you're referring to the tool buttons that are out of view? If so, I believe that this is a duplicate of #158.