Use proper path equal or parent check in file watcher

Fixes #29605

src/vs/workbench/services/files/node/watcher/nsfw/nsfwWatcherService.ts

@@ -4,6 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as glob from 'vs/base/common/glob';
+import * as paths from 'vs/base/common/paths';
 import * as path from 'path';
 import * as watcher from 'vs/workbench/services/files/node/watcher/common';
 import * as nsfw from 'nsfw';
@@ -158,7 +159,7 @@ export class NsfwWatcherService implements IWatcherService {
 	 */
 	protected _normalizeRoots(roots: IWatcherRequest[]): IWatcherRequest[] {
 		return roots.filter(r => roots.every(other => {
-			return !(r.basePath.length > other.basePath.length && r.basePath.indexOf(other.basePath) === 0);
+			return !(r.basePath.length > other.basePath.length && paths.isEqualOrParent(r.basePath, other.basePath));
 		}));
 	}