patch 8.2.1015: popup filter gets key with modifier prepended

Problem:    Popup filter gets key with modifier prepended when using
            modifyOtherKeys.
Solution:   Remove the shift modifier when it is included in the key, also
            when the Alt or Meta modifier is used.
diff --git a/src/version.c b/src/version.c
index 3ccf1dd..8b5ad4e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1015,
+/**/
     1014,
 /**/
     1013,