CurSearch highlight is not cleared

[saecki]

Describe the issue:
when a highlight is set for CurSearch it isn't cleared with the other Search highlights.
This results in the following situation when moving the visual selection:

Steps to reproduce

1. define a highlight for example: hi CurSearch ctermbg=red
2. start a selection with <c-n>
3. move the cursor left by pressing h

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• Operating System: Fedora 40
• Vim Version: NVIM v0.10.1
• commit SHA/branch: master (38b0e8d)