Supporting K8s 1.19 in current setup

Changes:
- Added condition for checking apiversion support of statefulset and
deployment in couchdb, kube-state-metrics and redis (master and slave)
- Changed apiversion from harcoded values to read from helpers file in
statefulset and deployment in couchdb, kube-state-metrics and redis (master and slave)
- Changed wait time for Sandbox creation and scenario deployment in Cypress
tests from 10 sec to 15 sec

Tests:
- All UT's passed
- All Cypress test cases passed
- Manually checked deploying scenarios demo1 and demo2