feat(modals): modals, input text components and modal submits, v13 style (#7431)

src/structures/Interaction.js

@@ -173,6 +173,14 @@ class Interaction extends Base {
     return InteractionTypes[this.type] === InteractionTypes.APPLICATION_COMMAND && typeof this.targetId !== 'undefined';
   }
 
+  /**
+   * Indicates whether this interaction is a {@link ModalSubmitInteraction}
+   * @returns {boolean}
+   */
+  isModalSubmit() {
+    return InteractionTypes[this.type] === InteractionTypes.MODAL_SUBMIT;
+  }
+
   /**
    * Indicates whether this interaction is a {@link UserContextMenuInteraction}
    * @returns {boolean}