feat: backport chatInputApplicationCommandMention

#9245 djs

src/util/Formatters.js

@@ -18,6 +18,7 @@ const {
   TimestampStyles,
   underscore,
   userMention,
+  chatInputApplicationCommandMention,
 } = require('@discordjs/builders');
 
 /**
@@ -52,6 +53,21 @@ Formatters.bold = bold;
  */
 Formatters.channelMention = channelMention;
 
+/**
+ * Formats an application command name, subcommand group name, subcommand name, and ID
+ * into an application command mention
+ * @method chatInputApplicationCommandMention
+ * @memberof Formatters
+ * @param {string} commandName The name of the application command
+ * @param {string|Snowflake} subcommandGroupOrSubOrId
+ * The subcommand group name, subcommand name, or application command id
+ * @param {?(string|Snowflake)} [subcommandNameOrId] The subcommand name or application command id
+ * @param {?Snowflake} [commandId] The id of the application command
+ * @returns {string}
+ * @static
+ */
+Formatters.chatInputApplicationCommandMention = chatInputApplicationCommandMention;
+
 /**
  * Wraps the content inside a code block with an optional language.
  * @method codeBlock