Removes ToastView, new React toast

ts/components/ToastFileSaved.tsx

@@ -0,0 +1,27 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import React from 'react';
+import { LocalizerType } from '../types/Util';
+import { Toast } from './Toast';
+
+export type ToastPropsType = {
+  onOpenFile: () => unknown;
+};
+
+type PropsType = {
+  i18n: LocalizerType;
+  onClose: () => unknown;
+} & ToastPropsType;
+
+export const ToastFileSaved = ({
+  i18n,
+  onClose,
+  onOpenFile,
+}: PropsType): JSX.Element => {
+  return (
+    <Toast onClick={onOpenFile} onClose={onClose}>
+      {i18n('attachmentSaved')}
+    </Toast>
+  );
+};