Bug fix: On Android allowsHitTesting(false) consumes touches

[tifroz]

.clickable(enabled: false, onClick: {}) disables the view handlers for touch events but still consumes touches, breaking the iOS contract (where allowsHitTesting(false) should allow touches to reach the lower layers)

I changed allowsHitTesting() to be a no-op on android, and added a unit-test testAllowsHitTestingFalseOverlayPassesTapThrough that must run on a real device/simulator. A no-op is not perfect, but better than doing the opposite it should be doing.

I verified that the new test

• Fails with the current implementation
• Succeeds with the proposed change

I think SkiFuseUI simply proxies the call to SkipUI's allowsHitTesting()? If so this fix should apply to SkipFuseUI as well

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• REQUIRED: I have signed the Contributor Agreement
• REQUIRED: I have tested my change locally with swift test
• OPTIONAL: I have tested my change on an iOS simulator or device
• OPTIONAL: I have tested my change on an Android emulator or device
• REQUIRED: I have checked whether this change requires a corresponding update in the Skip Fuse UI repository (link related PR if applicable)
• OPTIONAL: I have added an example of any UI changes in the Showcase sample app

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