TT#153300 Voicemail 'temp' and 'greet' greetings options for Perl-based Admin Panel

WHAT: This fix allows the options: (a) Voicemail greeting "temp", and (b) Voicemail greeting "greet" to be displayed within Subscriber Preferences -> "Voicemail and Voicebox" on Admin Panel (Perl-based). Hence, an Admin can load 'greet' and 'temp' prompts via Admin Panel, similarly as 'unavail' and 'busy' options.

WHY: 'greet' and 'temp' options were added to be managed via API, but they were not available on Admin Panel.

Change-Id: Ie2d18f4d9a8e8369f3bbcb8593848ce6ee4b7d32

lib/NGCP/Panel/Controller/Subscriber.pm

@@ -742,7 +742,7 @@ sub preferences :Chained('base') :PathPart('preferences') :Args(0) {
         }),
         hash => 'type',
     );
-    foreach my $voicemail_greeting_type (qw/unavail busy/){
+    foreach my $voicemail_greeting_type (qw/unavail busy temp greet/){
         my $dir = NGCP::Panel::Utils::Subscriber::get_subscriber_voicemail_directory(c => $c, subscriber => $c->stash->{subscriber}, dir => $voicemail_greeting_type);
         push @$vm_recordings_types,
             $subscriber_vm_recordings->{$dir} ? {%{$subscriber_vm_recordings->{$dir}}, type =>  $voicemail_greeting_type }
@@ -3472,7 +3472,7 @@ sub edit_voicebox :Chained('base') :PathPart('preferences/voicebox/edit') :Args(
                     if( !grep{ $action eq $_ } (qw/edit delete download/) ){
                         die('Wrong voicemail greeting action.');
                     }
-                    if( !grep{ $type eq $_ } (qw/unavail busy/) ){
+                    if( !grep{ $type eq $_ } (qw/unavail busy temp greet/) ){
                         die('Wrong voicemail greeting type.');
                     }
                     my $dir = NGCP::Panel::Utils::Subscriber::get_subscriber_voicemail_directory(c => $c, subscriber => $c->stash->{subscriber}, dir => $type);