This abstraction is overly generic for what it does. It's only ever used
to help us conditionally perform a fs_stat for the local files adapter.
We can replace that with a much dumber, much simpler bit of logic.
* wip: skeleton code for trash adapter
* refactor: split trash implementation for mac and linux
* fix: ensure we create the .Trash/$uid dir
* feat: code complete linux trash implementation
* doc: write up trash features
* feat: code complete mac trash implementation
* cleanup: remove previous, terrible, undocumented trash feature
* fix: always disabled trash
* feat: show original path of trashed files
* doc: add a note about calling actions directly
* fix: bugs in trash implementation
* fix: schedule_wrap in mac trash
* doc: fix typo and line wrapping
* fix: parsing of arguments to :Oil command
* doc: small documentation tweaks
* doc: fix awkward wording in the toggle_trash action
* fix: warning on Windows when delete_to_trash = true
* feat: :Oil --trash can open specific trash directories
* fix: show all trash files in device root
* fix: trash mtime should be sortable
* fix: shorten_path handles optional trailing slash
* refactor: overhaul the UI
* fix: keep trash original path vtext from stacking
* refactor: replace disable_changes with an error filter
* fix: shorten path names in home directory relative to root
* doc: small README format changes
* cleanup: remove unnecessary preserve_undo logic
* test: add a functional test for the freedesktop trash adapter
* test: more functional tests for trash
* fix: schedule a callback to avoid main loop error
* refactor: clean up mutator logic
* doc: some comments and type annotations
