patch 8.2.1768: cannot use the help menu from a terminal window

Problem:    Cannot use the help menu from a terminal window.
Solution:   Add ":tlnoremenu" commands. (Yee Cheng Chin, closes #7023)
diff --git a/src/testdir/test_gui.vim b/src/testdir/test_gui.vim
index 64537ac..89ec3a9 100644
--- a/src/testdir/test_gui.vim
+++ b/src/testdir/test_gui.vim
@@ -739,6 +739,9 @@
 
   " Check deleting menu doesn't cause trouble.
   aunmenu Help
+  if exists(':tlmenu')
+    tlunmenu Help
+  endif
   call assert_fails('menu Help', 'E329:')
 endfunc
 
diff --git a/src/version.c b/src/version.c
index 8cfa149..5d84e24 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1768,
+/**/
     1767,
 /**/
     1766,