fix: setting project level fields to null while patching

ayon_server/entities/core/projectlevel.py

@@ -217,7 +217,7 @@ async def save(self, transaction=None) -> bool:
             # Update existing entity
 
             fields = dict_exclude(
-                self.dict(exclude_none=True),
+                self.dict(),
                 ["id", "created_at", "updated_at"] + self.model.dynamic_fields,
             )
             fields["attrib"] = attrib