patch 9.0.1826: keytrans() doesn't translate recorded key typed in a GUI

Problem:  keytrans() doesn't translate recorded key typed in a GUI
Solution: Handle CSI like K_SPECIAL, like in mb_unescape()

closes: #12964
closes: #12966

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
diff --git a/src/version.c b/src/version.c
index 593b7d5..2cad2b4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1826,
+/**/
     1825,
 /**/
     1824,