[purview catalog] fix guids rest name (#17344)

* make client name guids and rest name guid

* fix list docstring

* update example for list by guids

* link examples

* revert changes to package lock

* fix json in example

* switch to rest name for guid param in examples

Author: iscai-msft

specification/purview/data-plane/Azure.Analytics.Purview.Catalog/preview/2021-05-01-preview/examples/Entity_DeleteByGuids.json

@@ -1,7 +1,7 @@
 {
   "parameters": {
     "Endpoint": "{Endpoint}",
-    "guids": [
+    "guid": [
       "18e06957-e265-967a-07f1-e14e2ab8940f",
       "cc0730ba-9b30-41f0-6953-559d17626d2b"
     ]

specification/purview/data-plane/Azure.Analytics.Purview.Catalog/preview/2021-05-01-preview/examples/Entity_ListByGuids.json

@@ -1,8 +1,10 @@
 {
   "parameters": {
     "Endpoint": "{Endpoint}",
-    "guid": "784c0f2f-afd2-e26b-f9cb-984f6c2c5021",
-    "guid": "b4ebc8be-cef4-860a-bee9-28cc34cb5caa"
+    "guid": [
+      "784c0f2f-afd2-e26b-f9cb-984f6c2c5021",
+      "b4ebc8be-cef4-860a-bee9-28cc34cb5caa"
+    ]
   },
   "responses": {
     "200": {

specification/purview/data-plane/Azure.Analytics.Purview.Catalog/preview/2021-05-01-preview/purviewcatalog.json

@@ -101,13 +101,14 @@
           {
             "name": "guid",
             "in": "query",
-            "description": "An array of GUIDs of entities to create.",
+            "description": "An array of GUIDs of entities to list.",
             "required": true,
             "type": "array",
             "items": {
               "type": "string"
             },
-            "collectionFormat": "multi"
+            "collectionFormat": "multi",
+            "x-ms-client-name": "guids"
           },
           {
             "$ref": "#/parameters/minExtInfo"
@@ -184,15 +185,16 @@
         },
         "parameters": [
           {
-            "name": "guids",
+            "name": "guid",
             "in": "query",
             "description": "An array of GUIDs of entities to delete.",
             "required": true,
             "type": "array",
             "items": {
               "type": "string"
             },
-            "collectionFormat": "multi"
+            "collectionFormat": "multi",
+            "x-ms-client-name": "guids"
           }
         ],
         "responses": {