fix: map repository labels correctly

Author: qkdreyer

Classes/Labels/GitHubClient+RepositoryLabels.swift

@@ -16,8 +16,8 @@ private extension FetchRepositoryLabelsQuery.Data {
         repository?.labels.map { nodes in
             nodes.nodes.map { node in
                 labels += node.compactMap {
-                    $0?.node?.name,
-                    $0?.node?.color
+                    guard let label = $0 else { return nil }
+                    return RepositoryLabel(color: label.color, name: label.name)
                 }
             }
         }

Classes/Labels/LabelsViewController.swift

@@ -97,10 +97,7 @@ LabelSectionControllerDelegate {
             guard let strongSelf = self else { return }
             switch result {
             case .success(let payload):
-                self?.labels = payload.labels.compactMap {
-                    guard let node = $0 else { return nil }
-                    return RepositoryLabel(color: node.color, name: node.name)
-                }.sorted { $0.name < $1.name }
+                self?.labels = payload.labels.sorted { $0.name < $1.name }
                 strongSelf.update(animated: true)
             case .error(let error):
                 Squawk.show(error: error)