Hide Visual Studio solution architectures not supported by main project

Source/Tools/Flax.Build/Projects/VisualStudio/VisualStudioProjectGenerator.cs

@@ -434,6 +434,7 @@ namespace Flax.Build.Projects.VisualStudio
 
                 // Collect all unique configurations
                 var configurations = new HashSet<SolutionConfiguration>();
+                var mainArchitectures = solution.MainProject.Targets.SelectMany(x => x.Architectures).Distinct().ToArray();
                 foreach (var project in projects)
                 {
                     if (project.Configurations == null || project.Configurations.Count == 0)
@@ -445,6 +446,10 @@ namespace Flax.Build.Projects.VisualStudio
 
                     foreach (var configuration in project.Configurations)
                     {
+                        // Skip architectures which are not included in the game project
+                        if (!mainArchitectures.Contains(configuration.Architecture))
+                            continue;
+
                         configurations.Add(new SolutionConfiguration(configuration));
                     }
                 }