Correctly remove parameters array in role files (so we can add/remove email and display name)

root/etc/e-smith/events/actions/ajaxplorer-user-rights

@@ -89,11 +89,9 @@ foreach my $user (($a->users),$a->get('admin')){
         }
     }
     # As we're here, lets update the email address and the display name
-    # First, delete parameter if it's an array (meaning it's empty
-    delete $data->{"\0*\0parameters"} unless(
-        defined $data->{"\0*\0parameters"}->{'AJXP_REPO_SCOPE_ALL'}->{'core.conf'}->{'email'} ||
-        defined $data->{"\0*\0parameters"}->{'AJXP_REPO_SCOPE_ALL'}->{'core.conf'}->{'USER_DISPLAY_NAME'}
-    );
+    # First, delete parameter if it's an array (meaning it's empty)
+    delete $data->{"\0*\0parameters"} if (ref ($data->{"\0*\0parameters"})=~ m/ARRAY/i);
+
     $data->{"\0*\0parameters"}->{'AJXP_REPO_SCOPE_ALL'}->{'core.conf'}->{'email'} = "$name\@$domain";
     $data->{"\0*\0parameters"}->{'AJXP_REPO_SCOPE_ALL'}->{'core.conf'}->{'USER_DISPLAY_NAME'} = "$first $last";