Fix compile checks on numerous packages using --all --all-features

examples/custom_html.rs

@@ -6,13 +6,13 @@ use dioxus_desktop::Config;
 
 fn main() {
     LaunchBuilder::new()
-        .cfg(
+        .with_cfg(
             Config::new().with_custom_head("<style>body { background-color: red; }</style>".into()),
         )
         .launch(app);
 
     LaunchBuilder::new()
-        .cfg(
+        .with_cfg(
             Config::new().with_custom_index(
                 r#"
 <!DOCTYPE html>