WebDAV Managerv2.0

What changed

• New featureAdded expert mode for manual server URL entry
• UXAdded image previews to the file list
• UXImplemented file-type specific icons
• PerformanceFixed incorrect error message display in files list
• PerformanceGeneral bug fixes

Original release notes

- New "expert mode" when adding new server URL: type the URL yourself instead of filling the fields.
- Image previews in the list.
- Adapt file icons to the file type.
- Fixed a minor issue that incorrectly displayed an error message in the files list view.
- Fixed other bugs.