[pidcontroller] Fix for handling trigger input in action (#9842)

[pidcontroller] Fix for handling trigger input in action (#9842)

* [pidcontroller] Catch empty commandTopic

Signed-off-by: Hilbrand Bouwkamp <hilbrand@h72.nl>
* [pidcontroller] Fix handling action

keys in action context from trigger are passed with prefix of trigger  name.
This change removes the prefix to get the actual name and checks if it matches an item.
Else it tries the original name.

Signed-off-by: Hilbrand Bouwkamp <hilbrand@h72.nl>
* [pidcontroller] review comment

Signed-off-by: Hilbrand Bouwkamp <hilbrand@h72.nl>