HPCC-9745 Add getDaliServers() back into the ICodeContext

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4678 from ghalliday/issue9745

HPCC-9745 Add getDaliServers() back into the ICodeContext
Community Edition 4.0.0-4 Gold

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>