patch 8.2.4619: mapping is cancelled when mouse moves and popup is visible

Problem:    Mapping is cancelled when mouse moves and popup is visible.
Solution:   Only generate mouse moved events when a popup may use them.
            (closes #10004)
diff --git a/src/version.c b/src/version.c
index 39eefb5..693cebc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4619,
+/**/
     4618,
 /**/
     4617,