Uses https://github.com/jhildenbiddle/canvas-size to determine the max
supported canvas size of the current browser, then scales exports
accordingly.
### Change Type
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- [x] `patch` — Bug Fix
### Test Plan
Tested locally across a few browsers
### Release Notes
- Fix a bug where sometimes exports would fail when they were too big
for your browser. Now, they're scaled down to the max supported size.
66b3de4a03