Fix errors with /youtube and mute role persists

Author: TechnoVisionDev

src/main/java/technobot/commands/utility/YouTubeCommand.java

@@ -94,16 +94,15 @@ public void onResponse(Call call, final Response response2) throws IOException {
                         String views = FORMATTER.format(stats.get("viewCount").getAsLong());
                         String subs = FORMATTER.format(stats.get("subscriberCount").getAsLong());
                         String videos = FORMATTER.format(stats.get("videoCount").getAsLong());
-                        String link = "https://www.youtube.com/"+channel.toLowerCase();
+                        String link = "https://www.youtube.com/channel/"+channelID;
 
                         // Build nice embed displaying all info
                         EmbedBuilder embed = new EmbedBuilder()
                                 .setColor(EmbedColor.DEFAULT.color)
                                 .setAuthor(title + " | YouTube Channel", link, avatar)
                                 .setThumbnail(avatar)
                                 .setDescription(desc)
-                                .addField("Statistics", "**Subscribers:** "+subs+"\n**Views:** "+views+"\n**Videos:** "+videos, false)
-                                .setFooter(link);
+                                .addField("Statistics", "**Subscribers:** "+subs+"\n**Views:** "+views+"\n**Videos:** "+videos, false);
                         event.getHook().sendMessageEmbeds(embed.build()).queue();
                     }
                 });

src/main/java/technobot/handlers/ModerationHandler.java

@@ -6,6 +6,7 @@
 import kotlin.Pair;
 import net.dv8tion.jda.api.EmbedBuilder;
 import net.dv8tion.jda.api.entities.*;
+import net.dv8tion.jda.api.exceptions.HierarchyException;
 import org.bson.conversions.Bson;
 import technobot.TechnoBot;
 import technobot.data.cache.moderation.Ban;
@@ -299,7 +300,9 @@ public void persistMuteRole(Member member) {
         if (moderation.getMutes().contains(member.getIdLong())) {
             Role muteRole = guild.getRoleById(moderation.getMuteRole());
             if (muteRole != null) {
-                guild.addRoleToMember(member, muteRole).queue();
+                try {
+                    guild.addRoleToMember(member, muteRole).queue();
+                } catch (HierarchyException ignored) { }
             }
         }
     }