Fix different error message in source and package.nls for npm package (#37096)

* Fix package.nls.json for npm

Error message was different in main.ts.

* Fix language string key in npm/src/main.ts

extensions/npm/package.nls.json

 {
 	"config.npm.autoDetect": "Controls whether auto detection of npm scripts is on or off. Default is on.",
 	"config.npm.runSilent": "Run npm commands with the `--silent` option",
-	"npm.parseError": "Npm task detection could not parse the {0}"
-}
\ No newline at end of file
+	"npm.parseError": "Npm task detection: failed to parse the file {0}"
+}

extensions/npm/src/main.ts

@@ -143,7 +143,7 @@ async function provideNpmScriptsForFolder(folder: vscode.WorkspaceFolder): Promi
 		// result.push(createTask('install', 'install', rootPath, folder, []));
 		return result;
 	} catch (e) {
-		let localizedParseError = localize('npm.parseerror', 'Npm task detection: failed to parse the file {0}', packageJson);
+		let localizedParseError = localize('npm.parseError', 'Npm task detection: failed to parse the file {0}', packageJson);
 		throw new Error(localizedParseError);
 	}
 }
@@ -168,4 +168,4 @@ function createTask(script: string, cmd: string, rootPath: string, folder: vscod
 	};
 	let taskName = getTaskName(script);
 	return new vscode.Task(kind, folder, taskName, 'npm', new vscode.ShellExecution(getCommandLine(folder, cmd), { cwd: rootPath }), matcher);
-}
\ No newline at end of file
+}