HPCC-8886 Update dojo to 1.8.3

Fixes HPCC-8886

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #4028 from GordonSmith/HPCC-8886

HPCC-8886 Update dojo to 1.8.3

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>