Update FormRecognizer Tests.yml to auto-narrow when running against canary (#12384)
Update FormRecognizer Tests.yml to auto-narrow when running against canary (#12384)

* update the tests

* correct not condition

* attempt conditional variable

* whitespace corrections

* additional clarification on comments
Azure/azure-sdk-for-python,Azure/azure-sdk-for-python,Azure/azure-sdk-for-python,Azure/azure-sdk-for-python