Option to use just the binary sensor to detect power status

[Daniel-dev22]

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Currently the binary sensor is used to "help" detect power status. It is not possible to set it as the sole sole indicator to detect power status.

I'm using the ping integration and it seems to be more accurate at detecting on and off than the integration ping likely because of the interval potentially. Whenever the integration sees the TV as off momentarily the ping sensor never shows as off. If the ping sensor alone was used I likely wouldn't have any blips.

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The ability to set a binary sensor to be used completely to detect power status rather than helping.

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