[WIP] Fix Issue Unable to remove multiline property from field

[PressJump]

This pull request aims to fix the issue where the user is unable to remove a multi-line property from fields. This is done through the addition of a checkbox listener that also checks the multiline boxes in other entry types as they are by design global Ref: #11897 (comment). This not only gives visual feedback of the change to the user but also fixes the issue without refactoring CustomEntryTypesTabViewModel logic as the original issue stemmed from the for-loop inside storeSettings overriding boolean changes which was also originally mentioned in the issue.

To remove the multiline setting, I have to update it for all entry types.

#11897 (comment)

Setting the value of the field in all entry types utilizes this to fix the issue.

Closes #11897

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 applicable)
• 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.

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[PressJump]

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