Fix child fields with the web history (#2172)

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/router-macro/src/lib.rs

@@ -462,6 +462,15 @@ impl RouteEnum {
             }
         }
         for route in &self.routes {
+            match &route.ty {
+                RouteType::Child(child) => {
+                    if let Some(child) = child.ident.as_ref() {
+                        if child == "child" {
+                            from_route = true
+                        }
+                    }
+                }
+                RouteType::Leaf { .. } => {
                     for segment in &route.segments {
                         if segment.name().as_ref() == Some(field) {
                             from_route = true
@@ -473,6 +482,8 @@ impl RouteEnum {
                         }
                     }
                 }
+            }
+        }
 
         from_route
     }