Log exception in ContactsImportWork catch block
codacy: Avoid unused local variables
codacy: Avoid unused method parameters
reformat code
codacy: Unnecessary use of fully qualified name
codacy: Avoid unused private fields
codacy: Avoid unused imports
check if at least one account is set up, before receiving files
Change pdf icon
Directly show loading spinner show "no files" only if folder is known to be empty
Fix crash while showing ConflictDialog
Rich workspaces: can be null (if disabled), or string (empty or with content)
Search: only parse search if search event is there
NC18+: add possibility to set expiration date on user/group shares
Ninja-fix formatting of CONTRIBUTING.md
Migrate contacts import job to new API
Migrate ChooseRichDocumentsTemplateDialogFragment to User
Migrate EditShareFragment to new User model
Remove deprecated contacts backup job
Update translations
Update Nextcloud Android library
Update 3rd-party dependencies
