filesystem_picker

• Fixed 'Go Up' working on Linux (thanks @madadam).

• Added shortcuts to allow multiple root drives (as in Windows) or favorites (as in the Linux/MacOS sidebar) on desktop systems.
• Improved breadcrumb behavior on desktop systems (added mouse wheel scrolling).
• The closeButton and automaticallyImplyLeading parameters have been added to the FilesystemPicker widget to allow you to specify a close button.

• rootDirectory may be equal to directory, otherwise it is impossible to select / or C:\.
• Breadcrumbs refactor for better compatibility with desktop OS.

• Two new picker display modes: popup dialog and bottom sheet.
• Added the ability to specify the directory initially displayed in the dialog (must be a child of the rootDirectory).
• Added the ability to set a callback to filter the list of folders and files displayed in the picker.
• Added contextual actions such as "Create Folder".
• Added a theme definition that allows you to customize each part of the picker.
• The FilesystemPickerDefaultOptions widget has been added, which allows you to set the default settings and theme for all pickers.

• Flutter 3.0 compatibility

Deprecated theme properties have been replaced with their current counterpart.

• Deprecated theme properties have been replaced with their current counterpart.

• Migrate to null safety.

Bug fix: FilesystemPicker.open() now returns null if nothing was selected.

Breaking change FileSystem Picker no longer checks storage access permissions. If you need it, you must do it via a callback.

• The explicit dependency on permission_handler has been removed and replaced with a callback.

• Added file item selection mode (checkmark or whole tile)

• Remove ripple effect on file selection tile
• Added optional folder icon color

• Initial release.

• pub.dev maintenance issues resolved.

• permission_handler dependency updated to 5.0.1