AsyncAPi Importer - warn if message is used by multiple channels

[195858]

Describe the bug
Importer uses message form AsyncAPI to create an Event in EP.

If a message is referenced in multiple channels the import fails as it attempts to attach different topics attached to the same event.

To Reproduce
Steps to reproduce the behavior:
Import the Async API attached
Observer the error

A clear and concise description of what happens.

Expected behavior
A clear and concise description of what you expected to happen.

Log files
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Additional context
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ERPO2CAPI.yaml.zip

[TamimiGitHub]

Explicitly defining the event name in the spec file will bypass this error

channels:
  sales/{object}/notification/{version}/{erp_id}/{sales_organization}/{distribution_channel}/{division}:
    x-ep-event-name: "Object"
    description: 'Event responsible for providing information about ERP orders/invocies/etc. changes that can be consumed by client system to properly inform end-user.'
    parameters:
      $ref: '#/components/parameters'
    publish:
      message:
        $ref: '#/components/messages/Notification'
  erp/{erp_id}/notification/{version}/{object}/{sales_organization}/{distribution_channel}/{division}:
    x-ep-event-name: "ERP ID"
    description: 'Event responsible for providing information about ERP orders/invocies/etc. changes that can be consumed by client system to properly inform end-user.'
    parameters:
      $ref: '#/components/parameters'
    subscribe:
      message:
        $ref: '#/components/messages/Notification'

However I do agree that this should be handled more gracefully.