update apimanagement examples (#25310)

* update apimanagement examples

* update apimanagement examples

* update apimanagement examples

* update apimanagement examples

* update apimanagement examples

* update

Author: kazrael2119

specification/apimanagement/resource-manager/Microsoft.ApiManagement/stable/2022-08-01/examples/ApiManagementCreateAuthorizationProviderGenericOAuth2.json

@@ -15,7 +15,7 @@
             "authorizationCode": {
               "clientId": "ZYIJTBTABHOUQQDLZY",
               "clientSecret": "Q3iPSaKQ~fZFcJk5vKmqzUAfJagcJ8",
-              "scopes": null,
+              "scopes": "",
               "authorizationUrl": "https://www.eventbrite.com/oauth/authorize",
               "refreshUrl": "https://www.eventbrite.com/oauth/token",
               "tokenUrl": "https://www.eventbrite.com/oauth/token"
@@ -39,7 +39,7 @@
             "grantTypes": {
               "authorizationCode": {
                 "clientId": "ZYIJTBTABHOUQQDLZY",
-                "scopes": null,
+                "scopes": "",
                 "authorizationUrl": "https://www.eventbrite.com/oauth/authorize",
                 "refreshUrl": "https://www.eventbrite.com/oauth/token",
                 "tokenUrl": "https://www.eventbrite.com/oauth/token"
@@ -62,7 +62,7 @@
             "grantTypes": {
               "authorizationCode": {
                 "clientId": "ZYIJTBTABHOUQQDLZY",
-                "scopes": null,
+                "scopes": "",
                 "authorizationUrl": "https://www.eventbrite.com/oauth/authorize",
                 "refreshUrl": "https://www.eventbrite.com/oauth/token",
                 "tokenUrl": "https://www.eventbrite.com/oauth/token"

specification/apimanagement/resource-manager/Microsoft.ApiManagement/stable/2022-08-01/examples/ApiManagementDeleteDocumentation.json

@@ -4,7 +4,8 @@
     "resourceGroupName": "rg1",
     "api-version": "2022-08-01",
     "subscriptionId": "subid",
-    "documentationId": "57d1f7558aa04f15146d9d8a"
+    "documentationId": "57d1f7558aa04f15146d9d8a",
+    "If-Match": "*"
   },
   "responses": {
     "200": {},

specification/apimanagement/resource-manager/Microsoft.ApiManagement/stable/2022-08-01/examples/ApiManagementListAuthorizationProviders.json

@@ -80,7 +80,7 @@
                 "grantTypes": {
                   "authorizationCode": {
                     "clientId": "ZYIJTBTABHOUQQDLZY",
-                    "scopes": null,
+                    "scopes": "",
                     "authorizationUrl": "https://www.eventbrite.com/oauth/authorize",
                     "refreshUrl": "https://www.eventbrite.com/oauth/token",
                     "tokenUrl": "https://www.eventbrite.com/oauth/token"

specification/apimanagement/resource-manager/Microsoft.ApiManagement/stable/2022-08-01/examples/ApiManagementUpdateDocumentation.json

@@ -5,6 +5,7 @@
     "api-version": "2022-08-01",
     "subscriptionId": "subid",
     "documentationId": "57d1f7558aa04f15146d9d8a",
+    "If-Match": "*",
     "parameters": {
       "properties": {
         "title": "Title updated",