Error: Invalid reference token: /Tables(\'{tableName}\')

[mikeharder]

In this PR, converting tables to TSP:

• Tables tsp spec migration azure-rest-api-specs#39915

openapi-diff prints a lot of messages like this. They are just logged as warnings, so maybe they're harmless, but they might also be a symptom of a larger problem (like missing validation).

  ENTER definition runOad oldSpec: /home/runner/work/azure-rest-api-specs/same-version-c93b354fd9c14905bb574a8834c4d69b/specification/cosmos-db/data-plane/Tables/stable/2019-02-02/table.json, newSpec: specification/cosmos-db/data-plane/Tables/stable/2019-02-02/table.json, oldTag: undefined, newTag: undefined
  oad.CompareTags() when !(oldTag && newTag)
  Error: Invalid reference token: /Tables(\'{tableName}\')
      at api.get (/home/runner/work/azure-rest-api-specs/azure-rest-api-specs/node_modules/json-pointer/index.js:54:19)
      at updateChangeProperties (/home/runner/work/azure-rest-api-specs/azure-rest-api-specs/node_modules/@azure/oad/dist/lib/validators/openApiDiff.js:30:58)
      at /home/runner/work/azure-rest-api-specs/azure-rest-api-specs/node_modules/@azure/oad/dist/lib/validators/openApiDiff.js:247:105
      at Array.map (<anonymous>)
      at OpenApiDiff.processViaOpenApiDiff (/home/runner/work/azure-rest-api-specs/azure-rest-api-specs/node_modules/@azure/oad/dist/lib/validators/openApiDiff.js:247:40)
      at async runOad (file:///home/runner/work/azure-rest-api-specs/azure-rest-api-specs/eng/tools/openapi-diff-runner/dist/src/run-oad.js:48:28)
      at async doBreakingChangeDetection (file:///home/runner/work/azure-rest-api-specs/azure-rest-api-specs/eng/tools/openapi-diff-runner/dist/src/detect-breaking-change.js:188:29)
      at async checkBreakingChangeOnSameVersion (file:///home/runner/work/azure-rest-api-specs/azure-rest-api-specs/eng/tools/openapi-diff-runner/dist/src/detect-breaking-change.js:71:48)
      at async validateBreakingChange (file:///home/runner/work/azure-rest-api-specs/azure-rest-api-specs/eng/tools/openapi-diff-runner/dist/src/commands.js:107:17)
      at async main (file:///home/runner/work/azure-rest-api-specs/azure-rest-api-specs/eng/tools/openapi-diff-runner/dist/src/index.js:152:18)

https://github.com/Azure/azure-rest-api-specs/actions/runs/21380285709/job/61545548491?pr=39915#step:5:92