Expand the scope of the DFF Mapper FDI Custom Data configuration to include all subject areas
https://docs.oracle.com/en/cloud/saas/analytics/24r3/fawag/extend-data-custom-data-configurations.html#GUID-B094685B-7547-48EC-9432-E0FE7D875740
The mapper currently supports a subset of all available subject areas:
https://docs.oracle.com/en/cloud/saas/analytics/24r3/faiae/subject-areas-chapter.html#GUID-E5416B43-6EB6-4311-AC71-68DC219B9242
We found this when trying to map a DFF form EXM report headers (SR reference: 3-38087989931 : DFF visible in OTBI but not available for FDI)
