fix: signin の資格情報が足りないだけの場合はエラーにせず200を返すように (#14700)

* fix: signin の資格情報が足りないだけの場合はエラーにせず200を返すように

* run api extractor

* fix

* fix

* fix test

* /signin -> /signin-flow

* fix

* fix lint

* rename

* fix

* fix

packages/frontend/src/components/MkSignupDialog.vue

@@ -47,7 +47,7 @@ const props = withDefaults(defineProps<{
 });
 
 const emit = defineEmits<{
-	(ev: 'done', res: Misskey.entities.SigninResponse): void;
+	(ev: 'done', res: Misskey.entities.SigninFlowResponse): void;
 	(ev: 'closed'): void;
 }>();
 
@@ -55,7 +55,7 @@ const dialog = shallowRef<InstanceType<typeof MkModalWindow>>();
 
 const isAcceptedServerRule = ref(false);
 
-function onSignup(res: Misskey.entities.SigninResponse) {
+function onSignup(res: Misskey.entities.SigninFlowResponse) {
 	emit('done', res);
 	dialog.value?.close();
 }