[Cloud test] Scale to zero Workbench, KIE server and Kie router

Test that Kie server, Smart router and Workbench are correctly scale to zero and back to one.

Scenario:
Create new container using Workbench controller, wait until container is deployed to Kie server
Check that Kie router and Workbench contain registered Kie server
Scale Workbench to 0
Scale Kie router to 0
Scale KIE server to 0
Scale Kie server back to 1
Scale Kie router to 1
Scale Workbench to 1
Check that Kie router and Workbench contain registered Kie server with container
Check that Kie router can redirect request to Kie server and return response

Result:
Kie server and workbench are correctly connected
Kie server is able to serve requests

Acceptance criteria: PR with a test created