Mixin Channel Info classes contains off by one bug on each save

if (channelInfoMixinClasses.length > 1) {
                final List<String> mixinTypeNameList =
                        Arrays.stream(channelInfoMixinClasses, 1, channelInfoMixinClasses.length)
                        .map(clazz -> clazz.getName()).collect(Collectors.toList());
                channelNode.setProperty(HstNodeTypes.CHANNEL_PROPERTY_CHANNELINFO_MIXINS,
                        mixinTypeNameList.toArray(new String[mixinTypeNameList.size()]));
            }