Add post_blank to the rust types.

src/context/property_drawer.rs

@@ -9,6 +9,8 @@ use super::macros::rnoop;
 #[derive(Debug, Serialize)]
 #[serde(tag = "type")]
 #[serde(rename = "property_drawer")]
-pub(crate) struct RenderPropertyDrawer {}
+pub(crate) struct RenderPropertyDrawer {
+    post_blank: organic::types::PostBlank,
+}
 
 rnoop!(RenderPropertyDrawer, IPropertyDrawer);