patch 8.2.3074: popup_atcursor() uses wrong position with concealing

Problem:    popup_atcursor() uses wrong position with concealing.
Solution:   Keep w_wcol in conceal_check_cursor_line(). (closes #8476)
diff --git a/src/version.c b/src/version.c
index 1253251..f60abaf 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3074,
+/**/
     3073,
 /**/
     3072,