irc: force TextViewer reinit after live append to current channel to work around UI not repainting

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

main.lua

@@ -270,6 +270,12 @@ function IrcChatView:appendLine(line, target)
         if self._ui_open then
             -- Reuse the same refresh path as the channel switcher
             self:refreshView(target)
+            -- Some platforms require a full widget re-init to repaint reliably
+            if UIManager and self.reinit then
+                UIManager:nextTick(function()
+                    if self._ui_open then self:reinit() end
+                end)
+            end
         end
     else
         -- increment unread counter for background target