Select the session location as default to the fragment location selector.

Currently, the first item is selected default to the fragment location selector. It should be fixed to select the session location as default (to reduce the workload of the user, if he wants to register that patient to the same location) to the location selector of the fragment.

Changes required here : https://github.com/openmrs/openmrs-module-locationbasedaccess/blob/master/omod/src/main/webapp/fragments/field/locations.gsp#L10