[Bug]: CDK allow multiple deployment with same name

[sehz]

What happened
cdk allow duplicate deployment

Expected behavior
cdk should not allow multiple deployment to run

Describe the setup
open source fluvio using local install version 0.11.5

How to reproduce it (as minimally and precisely as possible)

1. Start Kafka connector
2. Start same connector

This result in cdk deployment like this:

$ cdk deploy list
 NAME       STATUS  
 c1  Stopped 
 c1  Stopped 

Environment (please complete the following information):

• OS: [Linux Ubuntu]
• Fluvio Version [0.11.5]