MenuStrip, ToolStrip and StatusStrip white border issue

* .NET Core Version:
.NET SDK (reflecting any global.json):
Version: 5.0.302
Commit: c005824e35

Runtime Environment:
OS Name: Windows
OS Version: 10.0.22000
OS Platform: Windows
RID: win10-x64
Base Path: C:\Program Files\dotnet\sdk\5.0.302\

Host (useful for support):
Version: 5.0.8
Commit: 35964c9215

.NET SDKs installed:
5.0.103 [C:\Program Files\dotnet\sdk]
5.0.302 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 5.0.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 5.0.3 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.8 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 5.0.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 5.0.8 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

* Have you experienced this same bug with .NET Framework?:
No

**Problem description:**
if the "strips" have dark colors (via professional renderer) a white border (on the left for toolstrip and menustrip and statusstrip, and on the bottom for statusstrip) cannot be avoided.

White border near the form border (.Net Core 5):


**Expected behavior:**
Same application, same "ToolStripProfessionalRenderer" in .Net Framework 4.8, the borders are drawn correctly:


Best Regards,
Angelo