Merge pull request microsoft#181311 from InigoMoreno/patch-1

Update argv.ts to allow empty category

Author: sandy081

src/vs/platform/environment/node/argv.ts

@@ -85,7 +85,7 @@ export const OPTIONS: OptionDescriptions<Required<NativeParsedArgs>> = {
 	'builtin-extensions-dir': { type: 'string' },
 	'list-extensions': { type: 'boolean', cat: 'e', description: localize('listExtensions', "List the installed extensions.") },
 	'show-versions': { type: 'boolean', cat: 'e', description: localize('showVersions', "Show versions of installed extensions, when using --list-extensions.") },
-	'category': { type: 'string', cat: 'e', description: localize('category', "Filters installed extensions by provided category, when using --list-extensions."), args: 'category' },
+	'category': { type: 'string', allowEmptyValue: true, cat: 'e', description: localize('category', "Filters installed extensions by provided category, when using --list-extensions."), args: 'category' },
 	'install-extension': { type: 'string[]', cat: 'e', args: 'ext-id | path', description: localize('installExtension', "Installs or updates an extension. The argument is either an extension id or a path to a VSIX. The identifier of an extension is '${publisher}.${name}'. Use '--force' argument to update to latest version. To install a specific version provide '@${version}'. For example: 'vscode.csharp@1.2.3'.") },
 	'pre-release': { type: 'boolean', cat: 'e', description: localize('install prerelease', "Installs the pre-release version of the extension, when using --install-extension") },
 	'uninstall-extension': { type: 'string[]', cat: 'e', args: 'ext-id', description: localize('uninstallExtension', "Uninstalls an extension.") },