1832 filesize

[SamuelPull]

Checklist

• [x] I have followed (at least) the PR section of the contributing guide.
• [x] I fixed all necessary PR warnings
• [x] The commit history is clean
• [x] The E2E tests are passing
• [x] If possible, the issue has been divided into more subtasks
• [x] I did a self review before requesting a review from another team member

Description

How to test

0. storage service has to be enabled
1. login as any user, e.g. mstein
2. try to create several workflow items: with attached file, with multiple files, without file, etc...
3. everything should work as before (downloaded file is the same as uploaded, ...)

Closes #1832

[github-actions[bot]]

	Warnings
:warning:	No CHANGELOG added.
:warning:	A new TODO was added.
:warning:	It looks like an ID was added. Please make sure it is not a secret.

Generated by :no_entry_sign: dangerJS against 9d90ac95ba53756ce410cf3e50eff8a86a3332ec

[openkfwCI]

	Notes	Time
:white_check_mark:	Note for Reviewer: E2E tests on pipeline 59393 on remote server succeeded	Thu, 06 Jun 2024 08:59:24 +0000

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