Add fix options for integrity issues

[priyanshu16095]

Fixes #11419

This PR introduces a functionality to fix integrity issues either individually or all at once by selecting a type.

Mandatory checks

• I own the copyright of the code submitted and I licence it under the MIT license
• Change in CHANGELOG.md described in a way that is understandable for the average user (if change is visible to the user)
• Tests created for changes (if applicable)
• Manually tested changed features in running JabRef (always required)
• Screenshots added in PR description (for UI changes)
• Checked developer's documentation: Is the information available and up to date? If not, I outlined it in this pull request.
• Checked documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request to the documentation repository.

[priyanshu16095]

Recording.2025-02-13.mp4

There is a problem with selecting messages using the Shift key. One has to click on a message first, as the focus moves to the entry editor. However, when clicking again with the mouse, all the selected entries are lost.

[priyanshu16095]

Recording.2025-02-13.mp4

[github-actions]

JUnit tests are failing. In the area "Some checks were not successful", locate "Tests / Unit tests (pull_request)" and click on "Details". This brings you to the test output.

You can then run these tests in IntelliJ to reproduce the failing tests locally. We offer a quick test running howto in the section Final build system checks in our setup guide.

[priyanshu16095]

Please review