fixed --login flag for older shells

terminus-terminal/src/shells/posix.ts

@@ -24,7 +24,7 @@ export class POSIXShellsProvider extends ShellProvider {
                 id: x,
                 name: x,
                 command: x,
-                args: ['--login'],
+                args: ['-l'],
             }))
     }
 }