New sourceID encoding and new UT ReadoutMap

Work with Detector!470 (merged), Rec!3880 (merged) and lhcb-conddb/lhcb-conditions-database!118 (merged)

• Work with ReadoutMap with additional subsector bit
• Provide sourceID encoding identical to real data (previously differ from data)
• Fixed RawBank ordering by changing it from sorting-by-boardID to sorting-by-sourceID. This should match exactly how real data is organized.
• Provide helpers to convert ChannelID to ECS name