fix linting bug

Author: muhammadsammy

package-lock.json

@@ -2,7 +2,6 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
-
 import * as vscode from 'vscode';
 import * as vscodeapi from 'vscode';
 import { ExtensionContext } from 'vscode';
@@ -50,6 +49,7 @@ import { PlatformInformation } from '../../shared/platform';
 import { RazorLanguageServerOptions } from './razorLanguageServerOptions';
 import { resolveRazorLanguageServerOptions } from './razorLanguageServerOptionsResolver';
 import { RazorFormatNewFileHandler } from './formatNewFile/razorFormatNewFileHandler';
+import * as path from "path";
 
 // We specifically need to take a reference to a particular instance of the vscode namespace,
 // otherwise providers attempt to operate on the null extension.
@@ -86,6 +86,15 @@ export async function activate(
         );
 
         const dotnetInfo = await hostExecutableResolver.getHostExecutableInfo();
+        const dotnetRuntimePath = path.dirname(dotnetInfo.path);
+
+        // Take care to always run .NET processes on the runtime that we intend.
+        // The dotnet.exe we point to should not go looking for other runtimes.
+        const env: NodeJS.ProcessEnv = { ...process.env };
+        env.DOTNET_ROOT = dotnetRuntimePath;
+        env.DOTNET_MULTILEVEL_LOOKUP = '0';
+        // Save user's DOTNET_ROOT env-var value so server can recover the user setting when needed
+        env.DOTNET_ROOT_USER = process.env.DOTNET_ROOT ?? 'EMPTY';
 
         // Set up DevKit environment for telemetry
         if (csharpDevkitExtension) {