HPCC-11891 DOCS: Update Instant Cloud Doc for ECLWatch 5

Fix HPCC-11891 DOCS: Update Instant Cloud Doc for ECLWatch 5
doc changes reflecting the running steps through new ECL Watch.

Signed-off-by: g-pan <greg.panagiotatos@lexisnexis.com>
Merge pull request #6220 from g-pan/H11891-InstCloud

HPCC-11891 DOCS: Update Instant Cloud Doc for ECLWatch 5

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>