Improved progress display

Previously, the progress bar updated only after completing an entire table.

For large tables such as LIBARC, this could make the application appear to have stopped responding.

Phase 10 updates the interface while rows are being exported.

WorkbenchReplacement/App.swift

@@ -1,4 +1,5 @@
 import SwiftUI
+import AppKit
 
 @main
 struct WorkbenchReplacementApp: App {
@@ -7,6 +8,12 @@ struct WorkbenchReplacementApp: App {
     var body: some Scene {
         WindowGroup("Workbench Replacement") {
             WorkbenchLaunchView()
+                .onAppear {
+                    if let iconURL = Bundle.main.url(forResource: "WorkbenchReplacement", withExtension: "icns"),
+                       let icon = NSImage(contentsOf: iconURL) {
+                        NSApplication.shared.applicationIconImage = icon
+                    }
+                }
                 .environmentObject(model)
                 .frame(minWidth: 800, minHeight: 520)
         }