✍️ feat: Automatic Save and Restore for Chat (#2942)

* feat: added "Save draft locally" to Message settings

* feat: add hook to save chat input as draft every second

* fix: use filepath if the file does not have a preview prop

* fix: not to delete temporary files when navigating to a new chat

* chore: translations

* chore: import order

* chore: import order

---------

Co-authored-by: Danny Avila <danacordially@gmail.com>
Co-authored-by: Danny Avila <danny@librechat.ai>

client/src/localization/languages/Zh.ts

@@ -409,6 +409,7 @@ export default {
   com_nav_theme_dark: '暗色主题',
   com_nav_theme_light: '亮色主题',
   com_nav_user_name_display: '在消息中显示用户名',
+  com_nav_save_drafts: '保存草稿本地',
   com_nav_show_code: '使用代码解释器时始终显示代码',
   com_nav_clear_all_chats: '清空所有对话',
   com_nav_confirm_clear: '确认清空',
@@ -2110,6 +2111,10 @@ export const comparisons = {
     english: 'Display username in messages',
     translated: '在消息中显示用户名',
   },
+  com_nav_save_drafts: {
+    english: 'Save drafts locally',
+    translated: '保存草稿本地',
+  },
   com_nav_show_code: {
     english: 'Always show code when using code interpreter',
     translated: '使用代码解释器时始终显示代码',