`/api/v2/templates/apply` allows only one object in `remotes`

/api/v2/templates/apply returns duplicate name validation errors and unprocessable entity status when I pass multiple objects in the remotes array.

Steps to reproduce: List the minimal actions needed to reproduce the behavior.

In the request body, pass an array of {"url": "TEMPLATE_URL"} objects with theremotes` parameter--for example:

curl -v --request POST \
"${INFLUX_URL}/api/v2/templates/apply" \
--header "Authorization: Token ${INFLUX_ALL_ACCESS_TOKEN}" \
--data @- << EOF
  {
    "orgID": "$INFLUX_ORG_ID",
    "dryRun": true,
    "remotes": [
      {
        "url": "https://raw.githubusercontent.com/influxdata/community-templates/master/linux_system/linux_system.yml"
      },
      {
        "url": "https://raw.githubusercontent.com/influxdata/community-templates/master/aws_lambda/lambda.yml"
      }
    ]
  }
EOF

Expected behavior: Expect both templates to be applied, as implied by the spec: https://docs.influxdata.com/influxdb/v2.3/api/#operation/ApplyTemplate.

Actual behavior: Responds with HTTP 422 status and the following errors:

        "errors": [
                {
                        "kind": "Variable",
                        "fields": [
                                "root",
                                "spec",
                                "name"
                        ],
                        "idxs": [
                                17,
                                null,
                                null
                        ],
                        "reason": "duplicate name: lucid-kepler-8bf001"
                }
        ],
        "code": "unprocessable entity",
        "message": "unprocessable entity"

If I pass each URL in a separate request - only one object in remotes: [], then the templates apply successfully.

Environment info:

System info: Darwin 21.6.0 x86_64
InfluxDB version: InfluxDB 2.3.0 (git: 090f681737) build_date: 2022-06-16T18:48:06Z
Other relevant environment details: Container runtime, disk info, etc

Config: Copy any non-default config values here or attach the full config as a gist or file.

Logs: Include snippet of errors in log.

Performance: Generate profiles with the following commands for bugs related to performance, locking, out of memory (OOM), etc.

# Commands should be run when the bug is actively happening.
# Note: This command will run for ~30 seconds.
curl -o profiles.tar.gz "http://localhost:8086/debug/pprof/all?cpu=30s"
iostat -xd 1 30 > iostat.txt
# Attach the `profiles.tar.gz` and `iostat.txt` output files.

influxdata / influxdb

`/api/v2/templates/apply` allows only one object in `remotes` #23607