Zoom on screenshare with double click is non intuitive

[SystemKeeper]

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Feature request

• Receive a screenshare
• See that you can zoom in, because the cursor changed to a magnifying glass, via double click
• Double click again -> zooms again

There's no indication that scrolling can be used to scroll out again.

Questions:

• Should zooming via double click work only once and the next double click zooms out again? (Idea by nickvergessen)
• Should there be a button "Reset zoom" or the like?

[Antreesy]

Zoom factor (if we're doing back and forth, I'd increase it): https://www.npmjs.com/package/panzoom#adjust-double-click-zoom

Custom action, probably, doable, current scale is also available: https://www.npmjs.com/package/panzoom#handling-double-click-events
https://www.npmjs.com/package/panzoom#triggering-zoom