Transparency regression on Windows

[chaynabors]

Describe the bug
Transparency no longer works out of the box on Windows 11 (at least). Instead, a black background is present.
Likely something to do with this commit

Steps To Reproduce

• Be on Windows 11. Possibly 10 as well.
• Create a webview using the WebViewBuilder, making sure to set with_transparent to true.
• Observe a nontransparent window

Expected behavior
The background of our application window should be transparent.

Screenshots

Platform and Versions (please complete the following information):
OS: Windows 11 build 22000
Rustc: 1.63.0 (latest)

Would you assign yourself to resolve this bug?

• Yes
• No

Additional context
Not totally vital, but we can't upgrade until resolved. Ping me if you can't reproduce this and I'll try to get some more info.

[amrbashir]

Thanks for the report, I will release a fix for this shortly