Append version of the API twice to access URL when create an API with swagger file and import to APIM

[renuka-fernando]

Description:
$subject

When deployed from swagger directly and publish the API

When deployed from API-CTL project

Steps to reproduce:

1. kubectl create cm petstore-cm --from-literal=swagger="$(curl -k https://petstore.swagger.io/v2/swagger.json)"
2. apictl init petstore --oas https://petstore.swagger.io/v2/swagger.json
3. zip -r petstore.zip petstore/
4. kubectl create cm petstore-cm --from-file petstore.zip
5. Add API

   cat <<EOF | kubectl apply -f -
   apiVersion: wso2.com/v1alpha2
   kind: API
   metadata:
       name: petstore-api
   spec:
       swaggerConfigMapName: petstore-cm
   EOF
   

API Operator 2.0.0-rc1
APIM 4.0.0