fix creating new promoted attributes, closes #1008

(cherry picked from commit 2e0fb8aaf1)

src/entities/note.js

@@ -411,10 +411,6 @@ class Note extends Entity {
             }
         });
 
-        for (const attr of filteredAttributes) {
-            attr.isOwned = attr.noteId === this.noteId;
-        }
-
         this.__attributeCache = filteredAttributes;
     }
 
@@ -946,4 +942,4 @@ class Note extends Entity {
     }
 }
 
-module.exports = Note;
+module.exports = Note;