create new field and change references

--HG--
branch : feature/ADEMPIERE-101-Data-Entity-for-Classification-Group1-Group2
rename : migration/370lts-release/oracle/ADEMPIERE-101-Entity-Classification-Class-Group.sql => migration/370lts-release/oracle/ADEMPIERE-101-Entity-Classification-Class-Group00.sql
rename : migration/370lts-release/postgresql/ADEMPIERE-101-Entity-Classification-Class-Group.sql => migration/370lts-release/postgresql/ADEMPIERE-101-Entity-Classification-Class-Group00.sql