[TASK] Add functional tests for SysNoteRepository

This patch adds functional tests to verify the SysNoteRepository
fetches proper/valid data to be displayed in widgets for example,
and respects personal/foreign/deleted attributes in sys_note
records.

Resolves: #104898
Related: #104844
Releases: main
Change-Id: Ia1d3d16661776785e8840d96f67469eadb7fc154
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/86006


Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>