Add conditional compilation for non-iOS platforms

Introduce `#if !IOS` directives to include methods
only for non-iOS builds. Comment out unused `IsIOS`
method, streamlining the `HomePageViewModel` class
for better platform-specific logic handling.

Author: StuartFerguson

TransactionMobile.Maui.BusinessLogic/ViewModels/HomePageViewModel.cs

@@ -36,6 +36,7 @@ public async Task ShowDebugMessage(String message) {
 
     #region Methods
 
+#if !IOS
     public async Task Initialise(CancellationToken cancellationToken) {
         Configuration configuration = this.ApplicationCache.GetConfiguration();
 
@@ -59,13 +60,14 @@ public async Task Initialise(CancellationToken cancellationToken) {
             Logger.LogError("Error during initialise", ex);
         }
     }
+#endif
 
     private async void NoReleaseAvailable() {
         await this.DialogService.ShowDialog("Software Update", "No Release Available","OK");
     }
 
-    //private Boolean IsIOS() => this.DeviceService.IsIOS//DeviceInfo.Current.Platform == DevicePlatform.iOS;
 
+#if !IOS
     private Boolean OnReleaseAvailable(ReleaseDetails releaseDetails) {
         Logger.LogInformation("In OnReleaseAvailable");
         // Look at releaseDetails public properties to get version information, release notes text or release notes URL
@@ -111,6 +113,7 @@ private Boolean OnReleaseAvailable(ReleaseDetails releaseDetails) {
         // Return true if you're using your own dialog, false otherwise
         return true;
     }
+#endif
 
-    #endregion
+#endregion
 }