feat(command): add rawName property (#751)

* feat(command): add rawName property

* refactor: single nullish coalescing

Author: favna

src/lib/structures/Command.ts

@@ -34,6 +34,14 @@ const ChannelTypes = Object.values(ChannelType).filter((type) => typeof type ===
 const GuildChannelTypes = ChannelTypes.filter((type) => type !== ChannelType.DM && type !== ChannelType.GroupDM) as readonly ChannelType[];
 
 export class Command<PreParseReturn = Args, Options extends Command.Options = Command.Options> extends AliasPiece<Options, 'commands'> {
+	/**
+	 * The raw name of the command as provided through file name or constructor options.
+	 *
+	 * This is exactly what is set by the developer, completely unmodified internally by the framework.
+	 * Unlike the `name` which gets lowercased for storing it uniquely in the {@link CommandStore}.
+	 */
+	public rawName: string;
+
 	/**
 	 * A basic summary about the command
 	 * @since 1.0.0
@@ -97,7 +105,10 @@ export class Command<PreParseReturn = Args, Options extends Command.Options = Co
 	 * @param options Optional Command settings.
 	 */
 	public constructor(context: Command.LoaderContext, options: Options = {} as Options) {
-		super(context, { ...options, name: (options.name ?? context.name).toLowerCase() });
+		const name = options.name ?? context.name;
+		super(context, { ...options, name: name.toLowerCase() });
+
+		this.rawName = name;
 		this.description = options.description ?? '';
 		this.detailedDescription = options.detailedDescription ?? '';
 		this.strategy = new FlagUnorderedStrategy(options);