feat: import NotesMixin from the correct module in contact.py

Author: jirhiker

db/contact.py

@@ -20,8 +20,8 @@
 from sqlalchemy.orm import relationship, Mapped, mapped_column, declared_attr
 from sqlalchemy_utils import TSVectorType
 
-from db import NotesMixin
 from db.base import Base, AutoBaseMixin, ReleaseMixin, lexicon_term
+from db.notes import NotesMixin
 
 if TYPE_CHECKING:
     from db.field import FieldEventParticipant, FieldEvent