Fix build warnings (#1358)

Author: paulb777

functions/FunctionsExample/FunctionsExample/View/AddNumbersView.swift

@@ -63,7 +63,7 @@ struct AddNumbersView: View {
           "firstNumber": $num1.wrappedValue,
           "secondNumber": $num2.wrappedValue,
         ])
-        if let operationResult = (result as? [String: Any])?["operationResult"] as? Int {
+        if let operationResult = result["operationResult"] {
           self.outcome = String(operationResult)
         } else {
           self.outcome = "The return result is invalid."

functions/FunctionsExample/FunctionsExample/View/CapitalizeMessageView.swift

@@ -46,7 +46,7 @@ struct CapitalizeMessageView: View {
           responseAs: [String: String].self
         )
         let result = try await function.call(["text": $comment.wrappedValue])
-        if let data = result as? [String: Any], let text = data["text"] as? String {
+        if let text = result["text"] {
           self.outcome = text
         }
       } catch {