CE-2665: Only keep one of each IOC name
If someone deployed an old IOC, then redeployed it without undeploying it first, we would see two existing metadata files, yielding two IOC names in the list. This fixes that.
If someone deployed an old IOC, then redeployed it without undeploying it first, we would see two existing metadata files, yielding two IOC names in the list. This fixes that.