fix: class properties schema

deps/db/src/logseq/db/frontend/malli_schema.cljs

@@ -170,7 +170,7 @@
      [:block/schema
       {:optional true}
       [:map
-       [:properties {:optional true} [:vector :uuid]]]]]
+       [:properties {:optional true} [:vector property-ident]]]]]
     class-attrs
     page-attrs
     page-or-block-attrs)))