Documentation: inversion s4agri:hasDeploymentPeriod and s4agri:isDeployedAtSpace

An inversion in the SAREF4AGRI documentation has been spotted by an industrial:

https://labs.etsi.org/rep/saref/saref4agri/-/blob/develop-v1.1.2/documentation/description.html#L26

also at p10 of TS 103 410-6 V1.1.2 (and at the same location in V1.1.1)