C#: Begin move to .NET Core

We're targeting .NET 5 for now to make development easier while
.NET 6 is not yet released.

TEMPORARY REGRESSIONS
---------------------

Assembly unloading is not implemented yet. As such, many Godot
resources are leaked at exit. This will be re-implemented later
together with assembly hot-reloading.

1 files changed, 5 insertions, 1 deletions

diff --git a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
index cdac9acb25..9b921c517c 100644
--- a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
+++ b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
@@ -19,6 +19,9 @@ namespace GodotTools.ProjectEditor
 
     public static class ProjectUtils
     {
+        public static void MSBuildLocatorRegisterDefaults()
+            => Microsoft.Build.Locator.MSBuildLocator.RegisterDefaults();
+
         public static MSBuildProject Open(string path)
         {
             var root = ProjectRootElement.Open(path);
@@ -42,7 +45,8 @@ namespace GodotTools.ProjectEditor
             var root = project.Root;
             string godotSdkAttrValue = ProjectGenerator.GodotSdkAttrValue;
 
-            if (!string.IsNullOrEmpty(root.Sdk) && root.Sdk.Trim().Equals(godotSdkAttrValue, StringComparison.OrdinalIgnoreCase))
+            if (!string.IsNullOrEmpty(root.Sdk) &&
+                root.Sdk.Trim().Equals(godotSdkAttrValue, StringComparison.OrdinalIgnoreCase))
                 return;
 
             root.Sdk = godotSdkAttrValue;