refactor(demo): update demo to include demo source condition attribute

Using this condition attribute, styles source code will be shown depending on the vaadin version.

Author: paodb

src/test/java/com/flowingcode/vaadin/addons/badgelist/StyledBadgesDemo.java

@@ -34,11 +34,11 @@
 @DemoSource
 //#if vaadin eq 0
 @DemoSource(value = "/src/test/resources/META-INF/frontend/styles/styled-badges-demo.css",
-    caption = "styled-badges-demo.css")
+    caption = "styled-badges-demo.css", condition = "vaadin eq 24")
 @DemoSource(value = "/src/test/resources/META-INF/frontend/styles/styled-badges-demo-v25.css",
-    caption = "styled-badges-demo-v25.css")
+    caption = "styled-badges-demo.css", condition = "vaadin ge 25")
 @DemoSource(value = "/src/test/resources/META-INF/frontend/styles/fc-badge-list.css",
-    caption = "fc-badge-list.css")
+    caption = "fc-badge-list.css", condition = "vaadin ge 25")
 //#endif
 @PageTitle("Styled Badges Demo")
 @SuppressWarnings("serial")