Fix/webview2 initialization order

[leaanthony]

Reorder initialisation of webview2

Potentially Fixes #4694

Summary by CodeRabbit

• Bug Fixes

  • Resolved Windows "Not enough memory" errors during WebView2 startup by changing when drag-and-drop is configured, improving startup reliability on Windows.
  • Added additional startup diagnostics to aid troubleshooting.

• Chores

  • Bumped go-webview2 dependency to v1.0.23.

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