message: [Synapse] Support SJD args override from pipeline.
  * Update Pipeline.json
  [Synapse] Support SJD args override from pipeline.
  * Update Pipeline.json
  prettier fix
  * Update Pipeline.json
  Add "x-ms-client-name": "arguments"
  * Update Pipeline.json
  Remove "type": "object"
diff: "sparkJob": {
  "description": "Synapse spark job reference.",
  "$ref": "../artifacts.json#/definitions/SynapseSparkJobReference"
  + },
  + "args": {
  + "x-ms-client-name": "arguments",
  + "description": "User specified arguments to SynapseSparkJobDefinitionActivity.",
  + "type": "array",
  + "items": {
  + "description": "Type: string (or Expression with resultType string)."
  + }
  }
  },
  "required": [
  