Implement HTMLMediaElement.loop Attribute
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Work done for Implementing HTMLMediaElement.loop Attribute,
- Uncomment `loop` attribute from webidl
- Add make_bool macros for Loop and SetLoop functions
- Update the required tests
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#22290
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- [x] There are tests for these changes
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67beaa46e2
