Fix ignored fields on types

Author: saulshanabrook

record_api/type_analysis.py

@@ -150,6 +150,15 @@ def module(self) -> typing.Optional[str]:
         return None
 
 
+    # Set field set to be all fields, so none are ignored even if not set
+    @property  # type: ignore
+    def __fields_set__(self) -> typing.Set[str]:  # type: ignore
+        return set(self.__values__.keys())
+
+    @__fields_set__.setter
+    def __fields_set__(self, val: typing.Set[str]) -> None:
+        pass
+
 class InputTypeBase(BaseModel, abc.ABC):
     @abc.abstractmethod
     def to_output(self) -> OutputType: