Change weight to mass to align with OSDU naming convention requirements

Based on the #dd-fluidsamples-and-geochemistry group review of the extraction and fractionation data schemas, the forum asked to change the term "Weight" to "Mass" existing in the following schemas:

• https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/rock-and-fluid-sample/rafs-ddms-services/-/blob/main/app/models/data_schemas/jsonschema/fractionation_data_schema.json?ref_type=heads
• https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/rock-and-fluid-sample/rafs-ddms-services/-/blob/main/app/models/data_schemas/jsonschema/extraction_data_schema.json?ref_type=heads