refactor: make public builder props getters (#7422)

Co-authored-by: Jiralite <33201955+Jiralite@users.noreply.github.com>
Co-authored-by: Antonio Román <kyradiscord@gmail.com>

packages/builders/src/components/Assertions.ts

@@ -40,7 +40,7 @@ export function validateRequiredSelectMenuOptionParameters(label?: string, value
 export const urlValidator = z.string().url();
 
 export function validateRequiredButtonParameters(
-	style: ButtonStyle,
+	style?: ButtonStyle,
 	label?: string,
 	emoji?: APIMessageComponentEmoji,
 	customId?: string,