Harden panning via bound check

[ann0see]

Short description of changes

Bounds pan values to always be in range. In theory, the network values could have been any value. Thus bounding those is needed.

CHANGELOG: Bug: Ensure correct bounds for panning

Context: Fixes an issue?

No. Found by @mcfnord via AI review.

Does this change need documentation? What needs to be documented and how?

No.

Status of this Pull Request

Ready for review (fast review!)

What is missing until this pull request can be merged?

Review.

Checklist

• I've verified that this Pull Request follows the general code principles
• I tested my code and it does what I want
• My code follows the style guide
• I waited some time after this Pull Request was opened and all GitHub checks completed without errors.
• I've filled all the content above

[ann0see]

std::clamp would have been better - however, I believe it is not available unless we up the C++ version.

[dingodoppelt]

std::clamp would have been better - however, I believe it is not available unless we up the C++ version.

Ok, I have missed this. We use c++17 for some things already. Maybe this is an opportunity to up the version?

[ann0see]

Maybe this is an opportunity to up the version?

Not in this PR. Float2Short could then also be made easier I think. But again, not in this PR.