Set min width and height for browser windows

[sergeichestakov]

Why

We want to set a min width/height for the app since the home page and workspace both don't look good on very small screens. Fixes WS-572.

What changed

Set min width and height for browser windows

Test plan

• Open app
• Shrink really small

[linear[bot]]

WS-572 Set min width/height for browser window