acc: Include "id" into /api/2.0/preview/scim/v2/Me response (#2266)

This is something terraform provider expects.

Related to https://github.com/databricks/cli/pull/2242

acceptance/bundle/variables/git-branch/output.txt

@@ -29,6 +29,7 @@
   "workspace": {
     "artifact_path": "/Workspace/Users/$USERNAME/.bundle/git/prod/artifacts",
     "current_user": {
+      "id": "$USER.Id",
       "short_name": "$USERNAME",
       "userName": "$USERNAME"
     },
@@ -78,6 +79,7 @@ Validation OK!
   "workspace": {
     "artifact_path": "/Workspace/Users/$USERNAME/.bundle/git/dev/artifacts",
     "current_user": {
+      "id": "$USER.Id",
       "short_name": "$USERNAME",
       "userName": "$USERNAME"
     },

acceptance/bundle/variables/prepend-workspace-var/output.txt

@@ -54,6 +54,7 @@
   "workspace": {
     "artifact_path": "/Users/$USERNAME/path/to/root/artifacts",
     "current_user": {
+      "id": "$USER.Id",
       "short_name": "$USERNAME",
       "userName": "$USERNAME"
     },

acceptance/bundle/variables/resolve-builtin/output.txt

@@ -1,6 +1,7 @@
 {
   "artifact_path": "TestResolveVariableReferences/bar/artifacts",
   "current_user": {
+    "id": "$USER.Id",
     "short_name": "$USERNAME",
     "userName": "$USERNAME"
   },

acceptance/bundle/variables/resolve-vars-in-root-path/output.txt

@@ -1,6 +1,7 @@
 {
   "artifact_path": "TestResolveVariableReferencesToBundleVariables/bar/artifacts",
   "current_user": {
+    "id": "$USER.Id",
     "short_name": "$USERNAME",
     "userName": "$USERNAME"
   },

acceptance/server_test.go

@@ -54,6 +54,7 @@ func AddHandlers(server *testserver.Server) {
 
 	server.Handle("GET /api/2.0/preview/scim/v2/Me", func(r *http.Request) (any, error) {
 		return iam.User{
+			Id:       "1000012345",
 			UserName: "tester@databricks.com",
 		}, nil
 	})