HPCC-12060 Show running WUs in bold on Activity page

Inside legacy ECLWatch, the running WUs were shown
in bold on the Activity page. That feature is broken
due to incorrect check of WU state. It is fixed now.

Signed-off-by: wangkx <kevin.wang@lexisnexis.com>
Merge pull request #6330 from wangkx/h12060_50x

HPCC-12060 Show running WUs in bold on Activity page

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>