Change model name picker to text field in sample app. (#7429)

* Restores ML Pods after M77.

* Fix Package.swift

* Re-add catalyst to GHA workflow.

* Replace picker with text field for model name in test app.

Author: manjanac

FirebaseMLModelDownloader/Apps/Sample/MLDownloaderTestApp/ContentView.swift

@@ -91,14 +91,11 @@ struct ContentView: View {
       Text("Download Model")
         .font(.title)
 
-      Picker(selection: $downloader.selectedModel, label: Text("Pick a model to download")) {
-        Text("Pose Detection").tag("pose-detection")
-          .foregroundColor(.init(red: 162 / 255, green: 82 / 255, blue: 45 / 255, opacity: 0.8))
-        Text("Image Classification").tag("image-classification")
-          .foregroundColor(.init(red: 162 / 255, green: 82 / 255, blue: 45 / 255, opacity: 0.8))
-      }
-      .frame(width: 200, height: 100)
-      .clipped()
+      TextField("Enter model name", text: $downloader.modelName)
+        .frame(width: 200, height: 100)
+        .clipped()
+        .autocapitalization(.none)
+        .textFieldStyle(RoundedBorderTextFieldStyle())
 
       buttons
 

FirebaseMLModelDownloader/Apps/Sample/MLDownloaderTestApp/Downloader.swift

@@ -17,7 +17,7 @@ import FirebaseMLModelDownloader
 
 class Downloader: ObservableObject {
   @Published var downloadProgress: Float = 0.0
-  @Published var selectedModel = "pose-detection"
+  @Published var modelName = ""
   @Published var filePath = ""
   @Published var error = ""
   @Published var isDownloaded = false
@@ -45,8 +45,6 @@ class Downloader: ObservableObject {
   func downloadModel(downloadType: ModelDownloadType) {
     let modelDownloader = ModelDownloader.modelDownloader()
     let conditions = ModelDownloadConditions()
-
-    let modelName = selectedModel
     modelDownloader.getModel(
       name: modelName,
       downloadType: downloadType,
@@ -76,7 +74,6 @@ class Downloader: ObservableObject {
 
   func deleteModel() {
     let modelDownloader = ModelDownloader.modelDownloader()
-    let modelName = selectedModel
     modelDownloader.deleteDownloadedModel(name: modelName) { result in
       switch result {
       case .success: