v15.58.2

## What's Changed
* Updates internal tests for **Bulk Salary Structure Assignment** to reference the department created during the test instead of a hard-coded name. (https://github.com/frappe/hrms/pull/4160)
* Prevents system updates from failing when the "Employee Self Service" **User Type** has been removed. (https://github.com/frappe/hrms/pull/4162)
* Fixes the attachment API to correctly list files linked to a document, including each file’s name, download link, and privacy status. (https://github.com/frappe/hrms/pull/4165)


**Full Changelog**: https://github.com/frappe/hrms/compare/v15.58.1...v15.58.2
**Authors**: @asmitahase, @nareshkannasln
**Reviewers**: @asmitahase

<details>
<summary>AI content</summary>

 For these release notes, we used an LLM (OpenAI o3) to review and summarise the code changes, along with the associated issue and PR descriptions. It may contain typical errors and inaccuracies. You can read the prompt [here](https://github.com/barredterra/pretty_release_notes). 

Changes with the following labels were excluded:
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Changes with the following types were excluded:
- ci
 - refactor
 - docs
 - build
 - test
 - chore
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</details>