[bgw-gui] Allow Animations in MenuScene instead of only BoardGameScene

[smilefx]

Describe the bug
The isDisabled property for a TextField does not get reset after DelayAnimation is finished.

To Reproduce
Steps to reproduce the behavior assuming textInput is a BGW-GUI TextField:

textInput.isDisabled = true

playAnimation(
    DelayAnimation(1000).apply {
        onFinished = {
            textInput.isDisabled = false
        }
    )
)

Expected behavior
isDisabled getting set to false and the input redrawn again.

Please complete the following information:

• OS: Windows 10
• Java version: OpenJDK 15

[smilefx]

Animations cannot be played in MenuScene - Adjust to feature-request.