Collapses all folders on load (except the top level folder) and adds Collapse All button
这些是此脚本变更过代码的版本。 显示所有版本。
Seems v1.0.8 broke some things, so I've reverted the code back to v1.0.6.
Rewritten to remove usage of MutationObserver since it seemed to be an issue when refreshing the page and upon further tests does not seem needed. If the script breaks for you, let me know.
