Add "waiting for lock" to tree state

[maralorn]

waiting for lock on '/nix/store/i0rmxc4njg1v1kz48ls425z300d4n2ab-fourmolu-0.8.2.0-doc', '/nix/store/jwq5f1pbfpa6a7833ib92ij1gn4zhdma-fourmolu-0.8.2.0'
waiting for lock on '/nix/store/7qnn9mx6z5i0sdxxcvipmbb80cx610v8-ormolu-0.5.0.1', '/nix/store/n32ipjv0qpj6vinlfxxmw9d9xiq1d1yg-ormolu-0.5.0.1-doc'
error: interrupted by the user
┏━ Dependency Graph:
┃    ┌─ ⏳︎︎︎ ormolu-0.5.0.1
┃ ┌─ ⏳︎︎︎ hls-ormolu-plugin-1.0.2.2
┃ │  ┌─ ⏳︎︎︎ fourmolu-0.8.2.0
┃ ├─ ⏳︎︎︎ hls-fourmolu-plugin-1.1.0.0
┃ ⏳︎︎︎ haskell-language-server-1.8.0.0
┣━━━ Builds          
┗━ ∑ ▶︎ 0 │ ✔︎ 0 │ ⏳︎︎︎ 5 │ ⏱︎ 39s