Performance Improvement: Fix Insert Yang Resource IDs (Schemset)

- Add robustness to handle insertion/get of empty collection
- Fix business logic to pass down ALL module references during module Sync
- Update Java doc etc to clarify ALL module references are needed (not just new)

Issue-ID: CPS-1246
Issue-ID: CPS-1126
Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Change-Id: Ic8ff4bdfef646e98ef61a6732c6d5ecb4b762e29
8 files changed