Children's Jumpsuit with front zipper

My almost-8 year old wants me to make her a jumpsuit with a front zipper. Does anyone have pattern suggestions for an advanced beginner? I found this one and like the style, but I'm not familiar with the pattern maker and I'm hesitant to purchase. Thanks!

https://www.etsy.com/uk/listing/1424038884/thread-faction-kids-sizes-2-14-zero?ls=s&ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=zip+front+jumpsuit+sewing+pattern+kid&ref=sr_gallery-1-15&sts=1&dd=1&content_source=4fe69d9d-3abf-4cb8-bce6-287d02bf592e%253ALT39c6db7b1720d00cb8c14f554d5ab379728c1148&organic_search_click=1&logging_key=4fe69d9d-3abf-4cb8-bce6-287d02bf592e%3ALT39c6db7b1720d00cb8c14f554d5ab379728c1148