test: point JFXSwitchTest at the warm palette

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

HMCL/src/test/java/com/jfoenix/controls/JFXSwitchTest.java

@@ -601,7 +601,7 @@ public final class JFXSwitchTest {
     /// Loads the same shared component styles and color palette used by the application.
     private static void applyStylesheets(Scene scene) {
         scene.getStylesheets().addAll(
-                Objects.requireNonNull(JFXSwitchTest.class.getResource("/assets/css/blue.css")).toExternalForm(),
+                Objects.requireNonNull(JFXSwitchTest.class.getResource("/assets/css/warm.css")).toExternalForm(),
                 Objects.requireNonNull(JFXSwitchTest.class.getResource("/assets/css/root.css")).toExternalForm());
     }