make configuring the secondary mod role actually work and not overwrite your primary

Author: GreemDev

src/Bot/Systems/Commands/Text/Modules/Settings/ModRoleCommand.cs

@@ -30,7 +30,7 @@ public Task<ActionResult> SecondaryModRoleAsync(
             return Ok("Reset the secondary Moderator role.");
         }
 
-        Context.Modify(data => data.Settings.Moderation.ModRole = role.Id);
+        Context.Modify(data => data.Settings.Moderation.SecondaryModRole = role.Id);
         return Ok($"Set {role.Mention} as the secondary Moderator role for this guild.");
     }
 }