Adopt new pattern for states from SAREF Core V3.2.1
SAREF4LIFT defines many subclasses of saref:State, such as s4lift:FireOperationState, and s4lift:DetectedLoadState. Instances of saref:State are timestamped and are about some feature of interest. As such, they are used like measurements.
TS 103548 defines a clear pattern for states, see https://saref.etsi.org/patterns/core_states