Display rdf source (#221)

Author: oeway

src/store.js

@@ -129,7 +129,8 @@ export const store = new Vuex.Store({
           if (!item.tags.includes("editable")) item.tags.push("editable");
         }
       }
-      item.config._rdf_file = item.config._rdf_file || item.source; // TODO: some resources current doesn't have a dedicated rdf_file
+      item.config._rdf_file =
+        item.config._rdf_file || item.rdf_source || item.source; // TODO: some resources current doesn't have a dedicated rdf_file
       if (item.type === "application" && item?.source?.endsWith(".imjoy.html"))
         state.allApps[item.id] = item;
       item.tags = item.tags.map(tag => tag.toLowerCase());