feat(snippet): thin library sidebar rows

[bpartridge]

Party like it's early 2023 and see all your playlists on one screen!

---

Uncompressed CSS for those interested:

.main-yourLibraryX-listItemGroup {
  grid-template-rows: none !important;
}

.main-yourLibraryX-listItemGroup * {
  padding-block: 0;
}

.main-yourLibraryX-listItem {
  [role="group"] {
    min-block-size: 0 !important;
  }
  .HeaderArea .Column {
    flex-direction: row;
    gap: 0.5em;
  }
  .HeaderArea * {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  
  .x-entityImage-imageContainer, .main-yourLibraryX-rowCover {
    width: 1.6em !important;
    height: 1.6em !important;
  }
}

.main-yourLibraryX-listRowSubtitle {
  padding-top: 0px;
}