Rollup merge of #144482 - Shourya742:2025-07-24-have-explicit-download-methods, r=Kobzol

Add explicit download methods to download module in bootstrap

This PR attempts to decouple the default initialization of the config object from parse_inner. It moves specific download methods, previously used during the initial config setup, into standalone functions outside the config implementation.

r? ``@Kobzol``

Author: Zalathar