#1477 Lower levels of Data Management (DATM) change request pending

SFIA7 included useful descripters for DATM at levels 2/3. The replacement in SFIA8 is DENG which has the wrong context and doesn't align with the basic data handling activities we see junior records analysts performing.

Activities that need to be described include: document scanning and processing (and other routine transformations of data), ensuring correct metadata are applied, identifying appropriate data owners