Flash opens electron instead of Etcher

[zoobot]

• **Etcher version: balenaEtcher-1.7.9
• **Operating system and architecture: M1 Osx Monterrey
• **What do you think should have happened: Should have opened Etcher
• **What happened: Opens Electron ui with Chrome and Firefox
• Do you see any meaningful error information in the DevTools?

Launched external handler for 'etcher://undefined'.
16The resource <URL> was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
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<img width="1148" alt="Screen Shot 2022-07-18 at 6 45 29 PM" src="https://user-images.githubusercontent.com/22104001/179646913-2cd85eab-c812-4600-bc18-dbc70f93b587.png">
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