[mqtt.homeassistant] Avoid improperly delivered triggers #17584
Merged
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If multiple DeviceTrigger components share a topic, and each has a payload value configured, only messages matching that payload should be delivered to the corresponding channel.
The DeviceTrigger already sets up the TextValue with the appropriate (single) enumeration of allowed value(s). But the mqtt.generic binding processes trigger before any value processing is done. So do the most basic of processing, to make sure the value is pertinent.