Enterprise Files for Intune 4+

This update adds some new features and fixes a few bugs.

* Background File Transfers - Start a copy and continue working.
* Added Kerberos authentication for SMB servers.
* Added support for uploading to FTP write-only folders.
* New file and folder menu copy/move/rename/delete buttons.
* Added Open in New Window option for documents.
* Auto refresh folder when returning to a tab.
* Improved background running of sync/backup tasks.
* Improved the rapid folder scroller on smaller screens and added index letter.
* Simplify copy/move message hints.
* Google Docs default viewer can now be Safari.
* Home Screen Favorites can now be renamed.
* Home Screen Favorites can now be deployed via MDM.
* Sync and Backup tasks are now available on the Sync Files + menu.
* Added Linux icons for server types.
* X-callback URLs using action=runsync will now wait for tasks to complete.
* Can now stream audio to multiple AirPlay2 speakers.
* Added long-tap to share images.
* Added Show in Enclosing Folder for more storage types.
* Added file rename to B2 storage.

Bug Fixes
* Fixed crash when deleting a Home Screen server location.
* Fixed searching in text files not scrolling correctly.
* Fixed searching in text files that have unknown file extensions.
* Fixed cancelling edit mode in text files switching to full screen.
* Fixed failure to list folder contents on some OneDrive accounts.
* Fixed special characters being allowed when renaming a file via SMB.
* Fixed Sort by Date for Dropbox folders.
* Fixed a rename operation clearing the file selection clipboard.
* Fixed URL Links to WebDAV folders being double-encoded.
* Fixed swiping left/right in ePub documents.
* Fixed occasional ePub viewer crash.
* Fixed favourite to a file in On My iPad not opening the document.
* Fixed Google Docs having file extensions appended after a rename.
* Fixed Google Drive free space amount sometimes too high.
* Fixed %username% MDM App Config creating two SMB Shares.
* Fixed Share Extension popping up errors when sharing a folder.
* Fixed unable to rename local files when Delete Remote Files permission is off.
* Fixed unable to download files with accented chars from FTP server.
* Fixed Home Screen locations flashing when connecting to a server.
* Fixed Home Screen shortcuts launch clearing a connection's stored password.
* Fixed crash when copying from a WebDAV server.
* Fixed crash when copying a large image into the Photo Library.
* Fixed crash when importing from the Photo Library.
* Fixed PDF annotations popping up an error on save.
* Fixed filenames for Photos that had been synced from a Mac.
* Fixed thumbnail icons being affected by a backup task.
* Fixed connection issue with Windows IIS WebDAV servers.
* Fixed crash when double-tapping to Select All.
* Fixed crash when right-clicking in Gallery View.