patch 9.1.1127: preinsert text is not cleaned up correctly

Problem:  when 'completeopt' is set to preinsert the preinserted text is
          not cleared when adding new leader (Yee Cheng Chin)
Solution: add a condition to delete preinsert text in edit function
          (glepnir)

closes: #16672

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 61e2d6b..fad08ac 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1127,
+/**/
     1126,
 /**/
     1125,