patch 8.1.1423: popup windows use options from current window and buffer

Problem:    Popup windows use options from current window and buffer.
Solution:   Clear all local options when creating a popup window.

src/version.c

@@ -767,6 +767,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1423,
 /**/
     1422,
 /**/