patch 9.1.0320: Wrong cursor position after using setcellwidths()

Problem:  Wrong cursor position after using setcellwidths().
Solution: Invalidate cursor position in addition to redrawing.
          (zeertzjq)

closes: #14545

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/mbyte.c b/src/mbyte.c
index d6fb7ec..406d109 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -5733,6 +5733,7 @@
     }
 
     vim_free(cw_table_save);
+    changed_window_setting_all();
     redraw_all_later(UPD_CLEAR);
 }