[OPEN] Zoom in issue

Expected behavior:
Zooming in with the mouse

Actual behavior:
Can't zoom in with the mouse

Steps to reproduce the behavior:
When I re-enter my casual game https://atwar-game.com/games/?link=7186432039

Information:

Browser: Firefox

Browser version: 69.0b4

OS: Windows 10

When I use the zoom in and out buttons it works, and it only happens in this casual game, I tried with other games and I don't have the same issue there.

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