Lower memory usage in FragmentRepository

Avoid using Spring Data "interface projection" in FragmentRepository.
The use of FragmentExtract in FragmentRepository is causing an
overhead of around 5 kilobytes per fragment, which is leading to
abnormally high memory usage when queries return a large number of
nodes. For example, around 250MB of additional memory is needlessly
used when fetching 50,000 datanodes.

- Remove FragmentExtract interface and FragmentEntityArranger class.
- Add FragmentPrefetchRepository, using JdbcTemplate and RowMapper
  to fetch FragmentEntity descendants in a single SQL query.
- Many CpsDataService operations have memory reductions:
  - queryDataNodes
  - getDataNodesForMultipleXpaths
  - updateDataNodesAndDescendants
  - updateNodeLeaves
  - and any NCMP methods using the above.

Issue-ID: CPS-1716
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: Ic47a2c9eb34150ed76bd5ce452fe1c9aaf9b4c5c

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