Refactor to allow delegating all invocations to wrapper from vault

[dkocher]

No description provided.

[Copilot]

Pull Request Overview

This pull request refactors upload and directory creation features to allow delegating all invocations from wrapper features to the underlying vault implementation. The main changes involve updating method signatures to accept writer/write parameters and removing internal writer references.

• Updated method signatures for features(), upload(), mkdir(), and touch() to accept additional parameters
• Removed internal writer initialization and management from upload services
• Modified test cases to provide writer instances explicitly

Reviewed Changes

Copilot reviewed 300 out of 723 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
EUE module files	Updated upload services to accept writer parameters and modified touch/directory features to accept writer instances
Dropbox module files	Updated upload, touch, directory, and delete features with new method signatures and removed internal writer management
Dracoon module files	Modified upload services, touch, directory, and delete features to accept writer parameters
Deepbox module files	Updated touch and directory features to accept writer instances
Ctera module files	Modified touch feature to accept session parameter instead of writer
Cryptomator module files	Updated various crypto features to accept additional parameters for delegation

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[dkocher]

Superseded by #17535.