patch 9.1.1448: tabpanel is not displayed correctly when msg_scrolled

Problem:  tabpanel is not displayed correctly when msg_scrolled
Solution: remove the msg_scrolled condition (Hirohito Higashi)

fixes: #17502
closes: #17510

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_tabpanel.vim b/src/testdir/test_tabpanel.vim
index 0d729a8..959734f 100644
--- a/src/testdir/test_tabpanel.vim
+++ b/src/testdir/test_tabpanel.vim
@@ -653,4 +653,25 @@
   set tabpanel&vim
   set showtabpanel&vim
 endfunc
+
+function Test_tabpanel_with_msg_scrolled()
+  CheckScreendump
+
+  let lines =<< trim END
+    set showtabpanel=2
+    set noruler
+    tabnew
+    set modified
+    tabfirst
+  END
+  call writefile(lines, 'XTest_tabpanel_with_msg_scrolled', 'D')
+
+  let buf = RunVimInTerminal('-S XTest_tabpanel_with_msg_scrolled', {'rows': 10, 'cols': 45})
+  call VerifyScreenDump(buf, 'Test_tabpanel_with_msg_scrolled_0', {})
+  call term_sendkeys(buf, ":qa\<CR>")
+  call term_sendkeys(buf, "\<CR>")
+  call VerifyScreenDump(buf, 'Test_tabpanel_with_msg_scrolled_1', {})
+
+  call StopVimInTerminal(buf)
+endfunc
 " vim: shiftwidth=2 sts=2 expandtab