message: marketplacenotifications: fixing an invalid operation id
  Since both of these share the same operation id - neither is currently valid / can work
  as such this fixes these to use the canonical name (List and Get) based on the convention
diff: "tags": [
  "Notification"
  ],
  - "operationId": "Notifications_GetWithAuthorization",
  + "operationId": "Notifications_List",
  "parameters": [
  {
  "$ref": "#/parameters/SubscriptionId"
  "tags": [
  "Notification"
  ],
  - "operationId": "Notification_GetWithAuthorization",
  + "operationId": "Notification_Get",
  "parameters": [
  {
  "$ref": "#/parameters/SubscriptionId"
  