Fix: An error occurred when deleting a new conversation #3898 (#3900)

### What problem does this PR solve?

Fix: An error occurred when deleting a new conversation #3898

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/en.ts

@@ -160,7 +160,7 @@ export default {
       delimiterTip:
         'Supports multiple characters as separators, and the multiple character separators are wrapped with `. For example, if it is configured like this: \n`##`; then the text will be separated by line breaks, two #s and a semicolon, and then assembled according to the size of the "token number".',
       html4excel: 'Excel to HTML',
-      html4excelTip: `When enabled, the spreadsheet will be parsed into HTML tables; otherwise, it will be parsed into key-value pairs by row.`,
+      html4excelTip: `When enabled, the spreadsheet will be parsed into HTML tables, and at most 256 rows for one table. Otherwise, it will be parsed into key-value pairs by row.`,
       autoKeywords: 'Auto-keyword',
       autoKeywordsTip: `Extract N keywords for each chunk to increase their ranking for queries containing those keywords. You can check or update the added keywords for a chunk from the chunk list. Be aware that extra tokens will be consumed by the LLM specified in 'System model settings'.`,
       autoQuestions: 'Auto-question',

web/src/locales/zh-traditional.ts

@@ -156,7 +156,7 @@ export default {
       delimiterTip:
         '支援多字元作為分隔符，多字元分隔符用`包裹。如配置成這樣：\n`##`;那麼就會用換行，兩個#以及分號先對文字進行分割，然後按照「 token number」大小進行拼裝。',
       html4excel: '表格轉HTML',
-      html4excelTip: `Excel 是否會被解析為 HTML 表格。如果為 FALSE，Excel 中的每一行都會形成一個區塊。`,
+      html4excelTip: `啟用後，電子表格將解析為 HTML 表格，一張表格最多 256 行。否則，會按行解析成鍵值對。`,
       autoKeywords: '自動關鍵字',
       autoKeywordsTip: `在查詢此類關鍵字時，為每個區塊提取 N 個關鍵字以提高其排名分數。在「系統模型設定」中設定的 LLM 將消耗額外的 token。您可以在區塊清單中查看結果。 `,
       autoQuestions: '自動問題',

web/src/locales/zh.ts

@@ -157,7 +157,7 @@ export default {
       delimiterTip:
         '支持多字符作为分隔符，多字符分隔符用`包裹。如配置成这样：\n`##`;那么就会用换行，两个#以及分号先对文本进行分割，然后按照“ token number”大小进行拼装。',
       html4excel: '表格转HTML',
-      html4excelTip: `Excel 是否将被解析为 HTML 表。如果为 FALSE，Excel 中的每一行都将形成一个块。`,
+      html4excelTip: `开启后电子表格会被解析为 HTML 表格，每张表格最多 256 行，否则会按行解析为键值对。`,
       autoKeywords: '自动关键词',
       autoKeywordsTip: `在查询此类关键词时，为每个块提取 N 个关键词以提高其排名得分。在“系统模型设置”中设置的 LLM 将消耗额外的 token。您可以在块列表中查看结果。`,
       autoQuestions: '自动问题',

web/src/pages/chat/index.tsx

@@ -328,17 +328,19 @@ const Chat = () => {
                         {x.name}
                       </Text>
                     </div>
-                    {conversationActivated === x.id && x.id !== '' && (
-                      <section>
-                        <Dropdown
-                          menu={{ items: buildConversationItems(x.id) }}
-                        >
-                          <ChatAppCube
-                            className={styles.cubeIcon}
-                          ></ChatAppCube>
-                        </Dropdown>
-                      </section>
-                    )}
+                    {conversationActivated === x.id &&
+                      x.id !== '' &&
+                      !x.is_new && (
+                        <section>
+                          <Dropdown
+                            menu={{ items: buildConversationItems(x.id) }}
+                          >
+                            <ChatAppCube
+                              className={styles.cubeIcon}
+                            ></ChatAppCube>
+                          </Dropdown>
+                        </section>
+                      )}
                   </Flex>
                 </Card>
               ))}