[release]: Cherry Pick Commits for LND v0.18.4 Release

[dstadulis]

Description:

Create a new branch off of lnd v0.18.3 and cherry pick desired commits for the v0.18.4 release.

To facilitate this process, use the script: https://gist.github.com/Roasbeef/b76730b6e5548a4eb2813da0bcf4d82c. Note: occasional rebase failures may require manual intervention via a no-ff merge.

Task:

• Create new branch from lnd v0.18.3
• Cherry pick desired commits using the provided script
• Resolve any rebase conflicts or perform manual no-ff merges as needed