feat: add Open as the default application action

Sources/Conjure/LauncherWindowController.swift

@@ -44,7 +44,11 @@ final class LauncherWindowController: NSWindowController, NSWindowDelegate, NSSe
         super.init(window: window)
         configureContent(in: window)
         window.delegate = self
-        window.navigateSelection = { [weak self] offset in self?.moveSelection(by: offset) }
+        window.navigateSelection = { [weak self] offset in
+            guard let self else { return }
+            if self.actions.isShown { self.actions.moveSelection(by: offset) }
+            else { self.moveSelection(by: offset) }
+        }
         window.dismiss = { [weak self] in self?.dismiss() }
         window.dragEnded = { [weak self] in
             guard let self else { return }
@@ -494,6 +498,7 @@ final class LauncherWindowController: NSWindowController, NSWindowDelegate, NSSe
     @objc private func showActions() {
         guard !isLaunching, window?.attachedSheet == nil, results.indices.contains(tableView.selectedRow) else { return }
         let application = results[tableView.selectedRow]
+        actions.open = { [weak self] in self?.openApplication(application) }
         actions.uninstall = { [weak self] in self?.reviewUninstall(application) }
         actions.show(for: application, relativeTo: actionsButton)
         openButton.keyEquivalent = actions.isShown ? "" : "\r"
@@ -517,8 +522,12 @@ final class LauncherWindowController: NSWindowController, NSWindowDelegate, NSSe
     }
 
     @objc private func openSelection() {
-        guard !isLaunching, results.indices.contains(tableView.selectedRow) else { return }
-        let application = results[tableView.selectedRow]
+        guard results.indices.contains(tableView.selectedRow) else { return }
+        openApplication(results[tableView.selectedRow])
+    }
+
+    private func openApplication(_ application: Application) {
+        guard !isLaunching else { return }
         isLaunching = true
         updateOpenButton()
         Task {