HPCC-10438 WU Details Duration is Blank

The duration displayed on the WU Details page was pulled from the "process"
timer, only after the timers list was loaded.  Better to just display "Total
Thor Time".

Changed "Action" to display ActionEx.

Fixes HPCC-10438

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5573 from GordonSmith/HPCC-10438_DurationBlank

HPCC-10438 WU Details Duration is Blank

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>