Activity map continuously resizing

[WofWca]

DeltaChat_hHr2NfUyTu.mp4

Version: v0.8.0

I suspect this might have to do with weird fractional DPR (devicePixelRatio). This only appears to happen on some non-1 DPRs, not all non-1.
For some reason it's hard (impossible?) to reproduce in the browser in dev mode, only when it's a webxdc app.

https://github.com/webxdc/timetracking-webxdc/blob/2b9332294da5f331a401850cb468679afd556732/src/pages/StatisticsPage.tsx#L181

[Simon-Laux]

I already started replacing it with this smaller lib: #33