message: Fix operation id of API convertToSinglePlacementGroup
diff: "tags": [
  "VirtualMachineScaleSets"
  ],
  - "operationId": "VirtualMachineScaleSet_ConvertToSinglePlacementGroup",
  + "operationId": "VirtualMachineScaleSets_ConvertToSinglePlacementGroup",
  "description": "Converts SinglePlacementGroup property to false for a existing virtual machine scale set.",
  "parameters": [
  {
  