Wait for the WebSocket connection before fading out the overlay

[didi1150]

When opening the setup page for the first time, the encryption dialog pops up for one second, then disappears as the page fades into the setup page.

[didi1150]

The issue is that the page loads before the layout.ts load function is complete. Maybe add a page.ts for the main page to check if a redirect is necessary? Or just add a progress indicator while initially loading the page?