HPCC-11335 Allow cross-site WsEcl calls

Similar to the way WsEcl.Submit resolves the crosssite calls via topology,
resource calls can override crosssite target via "debugConfig"

Fixes HPCC-11335

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5797 from GordonSmith/HPCC-11335

HPCC-11335 Allow cross-site WsEcl calls

Reviewed-By: Kevin Wang <kevin.wang@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>