fix(bar): keep header version label rightmost during refresh

The refresh spinner rendered after the version label, pushing the
version away from the header edge while a refresh was in progress. The
spinner now sits between the Spacer and the version label.

macos-bar/Sources/CCSBarApp/BarMenuView.swift

@@ -192,14 +192,14 @@ struct BarMenuView: View {
         Text("usage & accounts").font(.caption2).foregroundStyle(.secondary)
       }
       Spacer()
+      if viewModel.isRefreshing {
+        ProgressView().controlSize(.small)
+      }
       if let v = BarVersionDisplay.string() {
         Text(v)
           .font(.caption2)
           .foregroundStyle(.secondary)
       }
-      if viewModel.isRefreshing {
-        ProgressView().controlSize(.small)
-      }
     }
     .padding(.horizontal, 14)
     .padding(.vertical, 10)