aspire config set writes appHostPath to ~/.aspire/settings.json globally, causing incorrect path resolution (#10700)

* Initial plan

* Rename global settings file from settings.json to globalsettings.json

Co-authored-by: mitchdenny <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: mitchdenny <[email protected]>

Author: Copilot

src/Aspire.Cli/Program.cs

@@ -41,7 +41,7 @@ public class Program
     private static string GetGlobalSettingsPath()
     {
         var homeDirectory = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
-        var globalSettingsPath = ConfigurationHelper.BuildPathToSettingsJsonFile(homeDirectory);
+        var globalSettingsPath = Path.Combine(homeDirectory, ".aspire", "globalsettings.json");
         return globalSettingsPath;
     }