BUG: Backdrop not applying on 2.1.2

[jcnnik]

Checks

• I have checked that this issue has not already been reported.

• I am using the latest version of Flow Launcher.

• I am using the prerelease version of Flow Launcher.

Problem Description

Backdrop not applyinfg on 2.1.2, all other versions work fine

To Reproduce

1. Update to 2.1.2
2. Use theme with backdrop effect
3. no backdrop visible

Screenshots

Flow Launcher Version

2.1.2

Windows Build Number

[Version 10.0.26300.8553]

Error Log

No response

[DavidGBrett]

Likely related to #3624 and more recently #4457
We are looking into some recent changes may have caused this issue

[DavidGBrett]

For anyone stumbling onto this before its closed by the upcoming pr fix
Try this build
https://ci.appveyor.com/project/JohnTheGr8/flow-launcher/builds/54170935/artifacts

Or use #4513

If that doesn't solve your issues then feel free to reopen this