Use first prefix for display instead of used prefix

src/framework/commands/runner.rs

@@ -23,8 +23,8 @@ impl<T: Send + Sync + 'static> OnMessageHandler<T> for CommandRunner {
             .get_prefixes(event.guild_id.map(|i| i.get()), Some(event.author.id.get()))
             .await;
 
-        for prefix in prefixes {
-            if let Some(parts) = get_command_parts(&prefix, &event.content) {
+        for prefix in &prefixes {
+            if let Some(parts) = get_command_parts(prefix, &event.content) {
                 let command = rt.commands.iter().find(|cmd| {
                     cmd.identifiers()
                         .contains(&parts.name.to_ascii_lowercase().as_str())
@@ -32,7 +32,7 @@ impl<T: Send + Sync + 'static> OnMessageHandler<T> for CommandRunner {
 
                 if let Some(command) = command {
                     command
-                        .execute(CommandContext::new(event, rt.clone(), &prefix), parts.args)
+                        .execute(CommandContext::new(event, rt.clone(), &prefixes[0]), parts.args)
                         .await?;
 
                     break;