fix: stablize test in flow-component (#22812)

Part of #22767

Similar to PR #22808. This PR fixes 1 flaky test in flow-html-component:

HtmlComponentSmokeTest#testAllHtmlComponents.

HtmlComponentSmokeTest#testAllHtmlComponents: Add check before testing each setter method to make sure isEnabled is set to true for any instance with this attribute.

Author: lycoris106

flow-html-components/src/test/java/com/vaadin/flow/component/html/HtmlComponentSmokeTest.java

@@ -40,6 +40,7 @@
 import org.junit.Test;
 
 import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.HasEnabled;
 import com.vaadin.flow.component.HasText;
 import com.vaadin.flow.component.HtmlComponent;
 import com.vaadin.flow.component.HtmlContainer;
@@ -174,8 +175,12 @@ private static void testStringConstructor(
     private static void testSetters(HtmlComponent instance) {
         Arrays.stream(instance.getClass().getMethods())
                 .filter(HtmlComponentSmokeTest::isSetter)
-                .filter(m -> !isSpecialSetter(m))
-                .forEach(m -> testSetter(instance, m));
+                .filter(m -> !isSpecialSetter(m)).forEach(m -> {
+                    if (instance instanceof HasEnabled) {
+                        ((HasEnabled) instance).setEnabled(true);
+                    }
+                    testSetter(instance, m);
+                });
     }
 
     private static boolean isSetter(Method method) {