tweak schema as properties always have :type

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

@@ -299,7 +299,7 @@
    (concat
     [:map
      [:db/ident user-property-ident]
-     [:block/schema {:optional true} user-property-schema]]
+     [:block/schema user-property-schema]]
     property-attrs
     page-attrs
     page-or-block-attrs)))