[vcpkg baseline][kf5globalaccel] Fix build on windows when x11 is around

[m-kuhn]

Describe the pull request

• What does your PR fix?

  Fixes a spurious build issue which depends on the presence of x11 on the target system (see [vcpkg script] Ios support for meson and autotools based ports #25670)

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[github-actions]

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[github-actions]

You have modified or added at least one vcpkg.json where you should check the license field.

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[BillyONeal]

@JavierMatosD indicated that the disable is controlling:

https://github.com/KDE/kglobalaccel/blob/master/CMakeLists.txt#L71

which is ... extremely cursed. But given that it has that behavior, this resolves the problem without needing patches, so LGTM

[JavierMatosD]

Thanks!