previewing image before sending works now

src/i18n/en.json

@@ -146,6 +146,7 @@
   "search_placeholder": "List like email:alice@example.com, tel:17025550003...",
   "messaging_disabled_prompt": "Messaging disabled",
   "new_message_prompt": "New message",
+  "image_caption_prompt": "Image caption",
   "file_attachment_too_large": "The file size {size} exceeds the {limit} limit.",
   "cannot_initiate_file_upload": "Cannot initiate file upload.",
   "tags_not_found": "No tags defined. Add some.",

src/i18n/ru.json

@@ -150,5 +150,6 @@
   "topic_delete_warning": "Вы действительно хотите удалить этот чат?",
   "topic_block_warning": "Вы действительно хотите заблокировать этот чат?",
   "search_no_results": "Ничего не найдено",
-  "deleted_content": "удалено"
+  "deleted_content": "удалено",
+  "image_caption_prompt": "Подпись к фото"
 }

src/i18n/zh.json

@@ -150,5 +150,6 @@
   "topic_delete_warning": ":!![MISSING]!!:Are you sure you want to delete this conversation?",
   "topic_block_warning": ":!![MISSING]!!:Are you sure you want to block this conversation?",
   "search_no_results": ":!![MISSING]!!:Search returned no results",
-  "deleted_content": "内容已删除"
+  "deleted_content": "内容已删除",
+  "image_caption_prompt": "图片标题"
 }