Prevent KeyError when Matter device sends invalid value for StartUpOnOff #208246

Job	Run time
Collect information & changes data	13s
Prepare dependencies (3.12)	15s
Prepare pre-commit base	20s
Check all requirements	31s
Check pylint	41s
Check hassfest	42s
Check mypy	45s
Audit licenses	0s
Check pylint on tests	39s
Split tests for full run	0s
Check ruff	25s
Check ruff-format	21s
Check other linters	45s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	0s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	0s
Run ${{ matrix.mariadb-group }} tests Python ${{ matrix.python-version }}	0s
Run tests Python 3.12 (matter)	1m 39s
Upload test coverage to Codecov (full suite)	0s
Upload test coverage to Codecov (partial suite)	15s
	7m 31s

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