irc: refresh current channel with same codepath as switcher after append; fixes live updates on send/receive

Signed-off-by: Slendi <slendi@socopon.com>

main.lua

@@ -267,16 +267,9 @@ function IrcChatView:appendLine(line, target)
     -- Persist to history
     self:writeHistory(target, prefix .. line)
     if target == (self._current_target or "*") then
-        if self._ui_open and self.scroll_text_w and self.scroll_text_w.text_widget then
-            self.scroll_text_w.text_widget:setText(buf)
-            self.scroll_text_w:scrollToBottom()
-            -- Ensure ScrollTextWidget refreshes its scrollbar & triggers a repaint
-            if self.scroll_text_w.updateScrollBar then
-                self.scroll_text_w:updateScrollBar(true)
-            end
-            if UIManager and self.frame and self.frame.dimen then
-                UIManager:setDirty(self, function() return "ui", self.frame.dimen end)
-            end
+        if self._ui_open then
+            -- Reuse the same refresh path as the channel switcher
+            self:refreshView(target)
         end
     else
         -- increment unread counter for background target