LMMS / LMMS/lmms

Linked knobs does not get saved to project

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bug master branch
Dominant language
C++
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Merged PRs (30d)
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Description

### System Information

Windows 10 Pro 22H2 19045.4651

### LMMS Version(s)

1.3.0-alpha.1.676+g632966cae

### Most Recent Working Version

1.3.0-alpha.1.676+g632966cae

### Bug Summary

After link 2 knobs or more together then it will be the same value when change knob value, when save and reopen that project, knob link will fades and i have to link it again which is suck

https://github.com/user-attachments/assets/41c21121-3611-4cf1-8755-fdbcb8b15025

https://github.com/user-attachments/assets/416ae56c-300f-413b-a58c-102046f9c11f

### Expected Behaviour

The linked knobs should be saved to project so it will keep linked after save and reopen project

### Steps To Reproduce

*look at the bug summary video*

### Logs

_No response_

### Screenshots / Minimum Reproducible Project

_No response_

### Please search the issue tracker for existing bug reports before submitting your own.

- [X] I have searched all existing issues and confirmed that this is not a duplicate.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files or tests. Reproduce by linking two knobs, saving the project, and reopening it; then trace the project save/load path and linked-knob state. Done means linked knobs remain linked after reopening.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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