Helpers: Threshold Sensor with lower and upper but flipped

[matepek]

Describe your core improvement

Hello,

I'm using two Threshold sensors to define a lower limit for a pressure value and another Threshold sensors to define an upper limit for a pressure value.

These helpers are having the value "Show as" -> "Problem"

I need this because the if I define lower and upper like [100, 200] then I get a problem when the value of the sensor between these values as it is documented:

Both lower and upper limit configured - Turn on when the input sensor's value is in the range [lower limit .. upper limit].

But for my case that range is the "No Problem" and if the pressure is outside the range then it means problem.

If there would be a [upper limit .. lower limit] option which would invert the value then it would solve my problem.
What do I mean: I put a bigger number to the lower limit field than to the upper limit field it could signal problem when the sensor's value is outside that range.

I know I could use template or other magic but this simple backward compatible addition would nicely fit my case.

Thank you for your consideration,

Current limitations

N/A

Technical benefits

N/A

Additional context

I know I could use template or other magic but this simple backward compatible addition would nicely fit my case.

PR

Created a PR. Let me know what do you think.