refa (Laerdal.Dfu.csproj): refine the logic used to check for which p…

…latform we're building each time (android, ios, ...)

[skip ci]

Laerdal.Dfu/Laerdal.Dfu.csproj

@@ -1,14 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
+        <!-- todo   add support for maccatalyst -->
         <TargetFrameworks>net7.0-ios;net7.0-android</TargetFrameworks>
 
         <UseMaui>true</UseMaui>
         <SingleProject>true</SingleProject>
         <ImplicitUsings>enable</ImplicitUsings>
+
+        <TargetPlatformIdentifier>$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)'))</TargetPlatformIdentifier>
 
-        <SupportedOSPlatformVersion Condition=" $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'     ">14.2</SupportedOSPlatformVersion>
-        <SupportedOSPlatformVersion Condition=" $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android' ">21.0</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition=" '$(TargetPlatformIdentifier)' == 'ios'     ">14.2</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition=" '$(TargetPlatformIdentifier)' == 'android' ">21.0</SupportedOSPlatformVersion>
     </PropertyGroup>
 
     <PropertyGroup>
@@ -29,11 +32,11 @@
 
     <Import Project="Laerdal.targets"/>
 
-    <ItemGroup Condition="'$(TargetFramework)' == 'net7.0-android'">
+    <ItemGroup Condition=" '$(TargetPlatformIdentifier)' == 'android' ">
         <PackageReference Include="Laerdal.Dfu.Bindings.Android" Version="2.3.0.43876"/>
     </ItemGroup>
-
-    <ItemGroup Condition="'$(TargetFramework)' == 'net7.0-ios'">
+    
+    <ItemGroup Condition=" '$(TargetPlatformIdentifier)' == 'ios'  or  '$(TargetPlatformIdentifier)' == 'maccatalyst' ">
         <PackageReference Include="Laerdal.Dfu.Bindings.iOS" Version="4.13.0.43915"/>
     </ItemGroup>