patch 9.0.1924: LSP server message still wrongly handled (after 9.0.1922)

Problem:  LSP server message still wrongly handled (after 9.0.1922)
Solution: Handle 'method' messages properly, don't discard them, add
          tests.

closes: #13141

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/version.c b/src/version.c
index c088942..b5a4498 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1924,
+/**/
     1923,
 /**/
     1922,