patch 9.0.1443: ending Insert mode when accessing a hidden prompt buffer

Problem:    Ending Insert mode when accessing a hidden prompt buffer.
Solution:   Don't stop Insert mode when it was active before. (closes #12237)
diff --git a/src/version.c b/src/version.c
index 192d582..eba3db4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1443,
+/**/
     1442,
 /**/
     1441,