patch 8.2.4190: all conceal tests are skipped without the screendumps feature

Problem:    All conceal tests are skipped without the screendumps feature.
Solution:   Only skip the tests that use screendumps. (closes #9599)
diff --git a/src/version.c b/src/version.c
index dfbd0c6..462ba9f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4190,
+/**/
     4189,
 /**/
     4188,