* Fixed an issue in ExposureRiskMetadataDonor where mostRecentDateAtRiskLevel was set to the calculation timestamp instead of the encounter timestamp

Signed-off-by: Kolya Opahle <k.opahle@sap.com>

* Updated ExposureRiskMetadataDonorTest to reflect new data

Signed-off-by: Kolya Opahle <k.opahle@sap.com>

* also updated low risk to same time in ExposureRiskMetadataDonorTest

Signed-off-by: Kolya Opahle <k.opahle@sap.com>

* also updated low risk to same time in ExposureRiskMetadataDonorTest

Signed-off-by: Kolya Opahle <k.opahle@sap.com>

Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>