* Add disable download source configuration (#20548)
Add configuration to enable/disable download source from UI.
Co-authored-by: zeripath <art27@cantab.net>
* Fix BaseVars not used in renderering
* Fix disabled open in vscode menu when disabling download source from UI
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>