Updates target frameworks for .NET 9

- Modifies the target frameworks in the project files to include .NET 9 as a target.
- Removes an unnecessary default parameter in a method call.

Author: michaelstonis

Stellar.Maui.PopUp/Stellar.Maui.PopUp.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net9.0-android;net9.0-ios;net9.0-maccatalyst</TargetFrameworks>
+        <TargetFrameworks>net9.0;net9.0-android;net9.0-ios;net9.0-maccatalyst</TargetFrameworks>
         <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.19041.0</TargetFrameworks>
         <!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
         <!-- <TargetFrameworks>$(TargetFrameworks);net9.0-tizen</TargetFrameworks> -->

Stellar.Maui/Stellar.Maui.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <TargetFrameworks>net9.0;net9.0-android;net9.0-ios;net9.0-maccatalyst</TargetFrameworks>
         <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.19041.0</TargetFrameworks>
@@ -18,7 +18,7 @@
         <Nullable>enable</Nullable>
 
         <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">15.0</SupportedOSPlatformVersion>
-<!--        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.0</SupportedOSPlatformVersion>-->
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.0</SupportedOSPlatformVersion>
         <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
         <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
         <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>

Stellar.MauiSample/UserInterface/Cells/SampleViewCell.cs

@@ -6,7 +6,7 @@ public class SampleViewCell : ViewCellBase<ViewModels.TestItem>
 
     public SampleViewCell()
     {
-        this.InitializeStellarComponent(default);
+        this.InitializeStellarComponent();
     }
 
     public override void SetupUserInterface()