Fix build warnings

Author: TheJoeFin

Text-Grab/Pages/GeneralSettings.xaml

@@ -27,7 +27,7 @@
                 x:Name="VersionTextblock"
                 VerticalAlignment="Center"
                 Style="{StaticResource TextBodyNormal}"
-                Text="Version 4.X.X WPFUI Tray" />
+                Text="Version 4.5-beta1" />
 
             <ui:HyperlinkButton
                 x:Name="OpenExeFolderButton"

Text-Grab/Pages/LanguageSettings.xaml.cs

@@ -122,7 +122,8 @@ public async Task CopyFileWithElevatedPermissions(string sourcePath, string dest
             Process? process = Process.Start(startInfo);
             // string errors = process?.StandardError.ReadToEnd();
             // string output = process?.StandardOutput.ReadToEnd();
-            await process?.WaitForExitAsync();
+            if (process is not null)
+                await process.WaitForExitAsync();
 
             // if (!string.IsNullOrEmpty(errors))
             //     ErrorsAndOutputText.Text += Environment.NewLine + errors;

Text-Grab/Services/SettingsService.cs

@@ -39,7 +39,7 @@ private void MigrateLocalSettingsToClassic()
         foreach (KeyValuePair<string, object> localSetting in _localSettings.Values)
         {
             try { ClassicSettings[localSetting.Key] = localSetting.Value; }
-            catch (SettingsPropertyNotFoundException ex) { Debug.WriteLine($"Failed to migrate {localSetting.Key} of value {localSetting.Value}"); } // continue, just skip the setting
+            catch (SettingsPropertyNotFoundException ex) { Debug.WriteLine($"Failed to migrate {localSetting.Key} of value {localSetting.Value}, exception message: {ex.Message}"); } // continue, just skip the setting
             catch (Exception ex)
             {
                 Debug.WriteLine($"Failed to migrate setting {localSetting.Key} from ApplicationDataContainer {ex.Message}");