Show SYNOPSIS section by default in command line help messages

The SYNOPSIS section is used in various command line commands and it's good
to show it. It was likely omitted initially because it was rendered the same
as the "USAGE" section.

Author: sunnavy

lib/RT/Interface/CLI.pm

@@ -167,8 +167,8 @@ sub ShowHelp {
         -exitval => $args{'ExitValue'} || 0, 
         -verbose => 99,
         -sections => $args{'Sections'} || ($args{'ExitValue'}
-            ? 'NAME|USAGE'
-            : 'NAME|USAGE|OPTIONS|DESCRIPTION'
+            ? 'NAME|SYNOPSIS|USAGE'
+            : 'NAME|SYNOPSIS|USAGE|OPTIONS|DESCRIPTION'
         ),
     );
 }