Fix crash on load when not using cjs output

[webfiltered]

• toDesktop auto update calls use CommonJS require()
• Partially reverts Convert repo from CommonJS to ES Modules #491
  • Limitation on preMake.cjs resolved - now also an ES module, extension changed to .js
• main.js output script is now main.cjs
• preload.cjs now works as an ES Module - preload.mjs
  • .mjs ext is an Electron requirement

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[huchenlei]

@webfiltered Can you investigate why playwright test failed?

[webfiltered]

Let me know if there are any tips for making it work at all when it's not in CI env. Otherwise, I'll go fix that first.

Edit: It's easier to just pretend you are in CI. Tests can be fixed separately.

CI=1

desktop/scripts/launchdev.js

Line 41 in e12afde

const args = process.env.CI ? ['--remote-debugging-port=9000', '--remote-allow-origins=http://127.0.0.1:9000' ] : ['--inspect=9223']