[Synapse] Support rejected data linked service in dataflow sink (Azure#18906)

* Dataflow rejected data linked service

* Synapse rejected data linked service

* Revert "Dataflow rejected data linked service"

This reverts commit 52e3438.

* update

Author: kesharma

specification/synapse/data-plane/Microsoft.Synapse/preview/2021-06-01-preview/entityTypes/DataFlow.json

@@ -125,6 +125,14 @@
           "description": "Transformation description.",
           "type": "string"
         },
+        "dataset": {
+          "description": "Dataset reference.",
+          "$ref": "../artifacts.json#/definitions/DatasetReference"
+        },
+        "linkedService": {
+          "description": "Linked service reference.",
+          "$ref": "../artifacts.json#/definitions/LinkedServiceReference"
+        },
         "flowlet": {
           "description": "Flowlet Reference",
           "$ref": "../artifacts.json#/definitions/DataFlowReference"
@@ -182,6 +190,10 @@
           "description": "Schema linked service reference.",
           "$ref": "../artifacts.json#/definitions/LinkedServiceReference"
         },
+        "rejectedDataLinkedService": {
+          "description": "Rejected data linked service reference.",
+          "$ref": "../artifacts.json#/definitions/LinkedServiceReference"
+        },
         "flowlet": {
           "description": "Flowlet Reference",
           "$ref": "../artifacts.json#/definitions/DataFlowReference"

specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/DataFlow.json

@@ -190,6 +190,10 @@
           "description": "Schema linked service reference.",
           "$ref": "../artifacts.json#/definitions/LinkedServiceReference"
         },
+        "rejectedDataLinkedService": {
+          "description": "Rejected data linked service reference.",
+          "$ref": "../artifacts.json#/definitions/LinkedServiceReference"
+        },
         "flowlet": {
           "description": "Flowlet Reference",
           "$ref": "../artifacts.json#/definitions/DataFlowReference"