Add WindowBuilder::with_active

Co-authored-by: Kirill Chibisov <contact@kchibisov.com>

src/platform_impl/linux/x11/window.rs

@@ -95,7 +95,7 @@ impl SharedState {
             max_inner_size: None,
             resize_increments: None,
             base_size: None,
-            has_focus: true,
+            has_focus: false,
         })
     }
 }