fix: update HtmlViewState & BodyViewState as well

meta/src/body.rs

@@ -162,6 +162,6 @@ impl Mountable<Dom> for BodyViewState {
     }
 
     fn insert_before_this(&self, _child: &mut dyn Mountable<Dom>) -> bool {
-        true
+        false
     }
 }

meta/src/html.rs

@@ -182,6 +182,6 @@ impl Mountable<Dom> for HtmlViewState {
     }
 
     fn insert_before_this(&self, _child: &mut dyn Mountable<Dom>) -> bool {
-        true
+        false
     }
 }