v1.15.7

Another bugfix release! Thanks to @petabyteboy and @blackle for help with this release.

Highlights:

• emoji picker now has a dark mode (#1686)
• image modals should be the correct size even as the image downloads (#1690)

Other commits:

• fix: ignore hidden files in scss/themes #1696
• fix: remove remount #1688
• fix: Wellness page had the wrong breadcrumb #1684

Full changelog