Fix bug allowing /role to give managed roles

Author: TechnoVisionDev

src/main/java/technobot/commands/staff/RoleCommand.java

@@ -44,7 +44,7 @@ public void execute(SlashCommandInteractionEvent event) {
 
         // Check that bot has necessary permissions
         Role botRole = event.getGuild().getBotRole();
-        if (!UtilityMethods.hasPermission(botRole, this.permission)) {
+        if (!UtilityMethods.hasPermission(botRole, this.permission) || role.isManaged()) {
             event.replyEmbeds(EmbedUtils.createError("I couldn't change the roles for that user. Please check my permissions and role position.")).queue();
             return;
         }