HPCC-10241 New ECL Watch + IE8

Fixed IE8 incompatibilities.

Fixes HPCC-10241

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5018 from GordonSmith/IE8

HPCC-10241 New ECL Watch + IE8 

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>