fix database remove readonly propertys

dbschema/default.gel

@@ -6,16 +6,12 @@ module default {
     required file_name: str;
     required file_content: str;
     required file_size: str;
+    required note: str;
 
-    required note: str {
-      readonly := true;
-    }
     required content_type: str {
       readonly := true;
     }
-    required expires_at: datetime {
-      readonly := true;
-    }
+    required expires_at: datetime;
     required uploaded_at: datetime {
       readonly := true;
     }