Fix duplicate opening sensor for `_TZE200_pay2byax` #5371

Job	Run time
shared-ci / Prepare base dependencies (3.12)	5s
shared-ci / Prepare base dependencies (3.13)	13s
shared-ci / Run pre-commit	15s
shared-ci / Run tests Python 3.12	30s
shared-ci / Run tests Python 3.13	38s
shared-ci / Process test coverage	17s
	1m 58s

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