feat: implement relation edition in provider

packages/demo/src/App.tsx

@@ -73,6 +73,15 @@ const MuseumEdit = (props: EditProps) => {
         <NumberInput {...inputProps("latitude")} />
         <NumberInput {...inputProps("longitude")} />
         <TextInput {...inputProps("postal_address")} />
+        <ReferenceArrayInput
+          label="City"
+          source="is_in"
+          reference="City"
+          sort={{ field: "name", order: "ASC" }}
+          filterToQuery={(text: string) => ({ name: text })}
+        >
+          <AutocompleteArrayInput optionText="name" />
+        </ReferenceArrayInput>
       </SimpleForm>
     </Edit>
   );