HPCC-11751 Logical Files Tree View does not display icon.

Display errors from new response structure (HPCC-11570).

Fixes HPCC-11751

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #6101 from GordonSmith/HPCC-11751

HPCC-11751 Logical Files Tree View does not display icon.

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>