Welcome to the Ultimate Console Experience Guide, I'm going to be listing all the mods you will need, divided into categories, that you'll need to create an almost 1 to 1 replica of all the features present in a Legacy Console Edition world. The best version to do this is on 1.21.1 as it has all the mods present.
First off, the basic mods most people already have installed:
Now the rest in categories:
General
World generation
Other
These are all the mods/datapacks and resourcepacks I've compiled till now, let me know if there's more needed to add