HPCC-11160 Fix broken function of Copy Link in legacy ECLWatch

The View URL/Copy Link button on legacy ECLWatch does not work due
to the change for making new ECLWatch to be the default. The code
added in this fix makes the button work.

Signed-off-by: Kevin Wang kevin.wang@lexisnexis.com
Merge pull request #5665 from wangkx/h11160

HPCC-11160 Fix broken function of Copy Link in legacy ECLWatch

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>