patch 8.2.3763: when editing the cmdline a callback may cause a scroll up

Problem:    When editing the command line a FocusLost callback may cause the
            screen to scroll up.
Solution:   Do not redraw at the last line but at the same place where the
            command line was before. (closes #9295)

src/popupwin.c

@@ -3357,7 +3357,7 @@ popup_do_filter(int c)
 
 	// Reset got_int to avoid a function used in the statusline aborts.
 	got_int = FALSE;
-	redraw_after_callback(FALSE);
+	redraw_after_callback(FALSE, FALSE);
 	got_int |= save_got_int;
     }
     recursive = FALSE;