Change window color tint handling method

[onesounds]

What's the PR

• Resolve BUG: Recent Update Broke Some Acrylic/Blur Themes #3624
• In version 1.20.0, tint for acrylic is currently applied through a separate layer, but it has been changed to let DWM handle the color and opacity directly.
• This is a PR that should not be applied due to existing issues.
• Ref : https://github.com/Maplespe/ExplorerBlurMica

Problem

• In actual use, there are occasional issues where DWM doesn't update properly during show/hide situations. Calling SetBlur every time the window becomes active can fix it, but this consumes a lot of resources. The root cause is unknown. If this issue can be resolved, the change could be applied.

[github-actions]

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[onesounds]

This bug is a bit tricky to fix. In some cases, previous rendering artifacts remain, so we need to flush them when showing the window, but it's not working well. Even if it does work, if the transparency is too high, it's hard to design the UI to look like a proper application (text color becomes an issue). The property helps prevent rendering blinks without transparency, but it doesn't seem necessary at the moment. I'll keep it in mind for now but won't implement it yet.