patch 8.2.2491: popup window for text property may show in first screen line

Problem:    Popup window for text property may show in first screen line.
Solution:   If the text position is invisible do not show the popup window.
            (closes #7807)
diff --git a/src/version.c b/src/version.c
index 382b923..9c738bf 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2491,
+/**/
     2490,
 /**/
     2489,