patch 9.0.2145: wrong scrolling in insert mode with smoothscroll

Problem:  Wrong scrolling in Insert mode with 'smoothscroll' at the
          bottom of the window.
Solution: Don't use set_topline() when 'smoothscroll' is set.

fixes: #13612
closes: #13613

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 9e51e31..f635e61 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2145,
+/**/
     2144,
 /**/
     2143,