Greg Spencer 68166947cc Move window state update to window realize callback (flutter/engine#47713)
## Description

This moves the state update to only happen on realizing the window instead of at initialization time, based on [the comment from](https://github.com/flutter/flutter/issues/137262#issuecomment-1792020246) @robert-ancell .

## Related Issues
 - https://github.com/flutter/flutter/issues/137262

## Tests
 - I tried to add tests, but it doesn't seem possible to create a view without an actual display connected (and making a mock of it defeats the purpose of the test). I'm happy to be proven wrong, though.
2023-11-08 23:56:01 +00:00
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