Fix for "Scheduler selection" #15333

- Fix "X/Y/Z plot" not working with "Schedule type"
- Fix "Schedule type" not being saved to "params.txt"

Fix extra networks buttons when filename contains an apostrophe

Sgm uniform scheduler for SDXL-Lightning models

Escape btn_copy_path filename

restore outputs path

output -> outputs

Tweak diskcache limits

use diskcache library for caching

allow variants for extension name in metadata.ini

little fixes zoom.js

allow use zoom.js outside webui context [for extensions]

Support dragdrop for URLs to read infotext

Use correct DoRA implementation