Issue detailed in short [loom](https://www.loom.com/share/550fc26a6d3248efae61063c78d6284e?sid=d6012f92-7e83-48ee-ad68-38e282b8fc11). When calling `<%CHILDREN%>` on at item in a Form block *after* calling the `<%FORM%>` command on that same block, the index is off by 1.