Standardize the construction of intermediate BlogPostPage.

src/intermediate/plain_list.rs

@@ -9,17 +9,23 @@ pub(crate) struct IPlainList {
     pub(crate) children: Vec<IPlainListItem>,
 }
 
-intermediate!(IPlainList, PlainList, original, registry, {
-    let children = {
-        let mut ret = Vec::new();
-        for obj in original.children.iter() {
-            ret.push(IPlainListItem::new(registry.clone(), obj).await?);
-        }
-        ret
-    };
+intermediate!(
+    IPlainList,
+    &'orig organic::types::PlainList<'parse>,
+    original,
+    registry,
+    {
+        let children = {
+            let mut ret = Vec::new();
+            for obj in original.children.iter() {
+                ret.push(IPlainListItem::new(registry.clone(), obj).await?);
+            }
+            ret
+        };
 
-    Ok(IPlainList {
-        list_type: original.list_type,
-        children,
-    })
-});
+        Ok(IPlainList {
+            list_type: original.list_type,
+            children,
+        })
+    }
+);