Adds a simple CFL revision dropdown next to "Try it On" for IMVU products, showing only real revisions.
当前为
a minimal version of https://greasyfork.org/en/scripts/514039-imvu-product-download-cfl-revisions-dropdown that adds a "contents.json" button to the left of try product
best paired with
https://sleazyfork.org/en/scripts/532738-imvu-contents-json-viewer-with-zip-download
