patch 8.2.1303: calling popup_setoptions() resets 'signcolumn'

Problem:    Calling popup_setoptions() resets 'signcolumn'.
Solution:   Only set 'signcolumn' when creating the popup. (closes #6542)
diff --git a/src/version.c b/src/version.c
index e969ab0..73ab8c3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1303,
+/**/
     1302,
 /**/
     1301,