[BUG] Integration CRD: Missing multiple route support

[igarashitm]

Describe the bug
The multiple route support for Integration CRD is missing. The IntegrationStepParserService concatenates all the steps into one route.

2023-06-28_19-43-56.mp4

Multi-route Integration

apiVersion: camel.apache.org/v1
kind: Integration
metadata:
  name: integration93
spec:
  flows:
  - from:
      uri: 'timer:1'
      steps:
      - to:
          uri: 'log:1'
  - from:
      uri: 'timer:2'
      steps:
      - to:
          uri: 'log:2'

To Reproduce
Steps to reproduce the behavior:

1. Choose Integration
2. Paste the multi-route Integration source above
3. Click sync button

Expected behavior
Multiple routes are displayed on the canvas.