VS designer is not working! Again!

[RussKie]

Environment

Version 17.2.0 Preview 3.0 [32305.25.main]

.NET version

.NET 7.0 Preview2

Did this work in a previous version of Visual Studio?

Yes, it did. VS 16.11.

Issue description

Nothing works...

Steps to reproduce

Double click on Form1.cs

Diagnostics

[16:23:00.6429015] Added 'System.Windows.Forms'
[16:23:00.6439022] Loaded System in 00:00:00.0000063 [thread 14]
[16:23:00.6439022] Processed 'System' in 00:00:00.0004935
[16:23:00.6539018] Added 'System'
[16:23:00.6539018] Loaded System.Drawing in 00:00:00.0000066 [thread 14]
[16:23:00.6539018] Processed 'System.Drawing' in 00:00:00.0000558
[16:23:00.6549012] Creating VSCodeDomDesignerLoader
[16:23:00.6559010] Added 'System.Drawing'
[16:23:00.6559010] Loaded System.Design in 00:00:00.0000054 [thread 14]
[16:23:00.6599033] Processed 'System.Design' in 00:00:00.0045879
[16:23:00.6669036] Added 'System.Design'
[16:23:00.6669036] Loaded System.Drawing.Design in 00:00:00.0000068 [thread 14]
[16:23:00.6669036] Processed 'System.Drawing.Design' in 00:00:00.0000600
[16:23:00.6679027] Added 'System.Drawing.Design'
[16:23:00.6779013] [Thread 1] Creating design-time ITypeResolutionService.
[16:23:00.6949031] Start processing enqueued assemblies
[16:23:00.6949031] Loaded Microsoft.WinForms.DesignTools.Protocol in 00:00:00.0000073 [thread 68]
[16:23:00.6949031] Processed 'Microsoft.WinForms.DesignTools.Protocol' in 00:00:00.0008305
[16:23:00.6969029] Added 'Microsoft.WinForms.DesignTools.Protocol'
[16:23:00.6969029] Loaded Microsoft.WinForms.DesignTools.Client in 00:00:00.0000055 [thread 68]
[16:23:00.7159056] Processed 'Microsoft.WinForms.DesignTools.Client' in 00:00:00.0182444
[16:23:00.7169065] Added 'Microsoft.WinForms.DesignTools.Client'
[16:23:00.8049025] [Thread 81] Launching server...
[16:23:02.3128302] [External]: Preparing shadow cache folder
[16:23:02.3148303] [External]: Copying design tools server common files from: 'c:\program files\microsoft visual studio\2022\preview\common7\ide\commonextensions\microsoft\windows.forms\DesignToolsServer\Common'
[16:23:02.4318274] [External]: Copying design tool server platform-specific files from: 'c:\program files\microsoft visual studio\2022\preview\common7\ide\commonextensions\microsoft\windows.forms\DesignToolsServer\x64'
[16:23:02.4368263] [External]: Copying project output file: 'D:\Development\!Repro\2183-FlowLayoutPanel-External\External\bin\Debug\net6.0-windows\External.dll'
[16:23:02.4388287] [External]: Copying 'D:\Development\!Repro\2183-FlowLayoutPanel-External\External\obj\Debug\net6.0-windows\External.designer.deps.json' to 'DesignToolsServer.deps.json'
[16:23:02.4398271] [External]: Copying 'D:\Development\!Repro\2183-FlowLayoutPanel-External\External\obj\Debug\net6.0-windows\External.designer.runtimeconfig.json' to 'DesignToolsServer.runtimeconfig.json'
[16:23:02.5648267] [External]: Launching design tools server process...
[16:23:03.4268475] [External]: Connected to named pipe: DesignToolsServer.75060394-8743-4e33-ab96-a768579ed5f8
[16:23:03.4308482] [External]: info: Design Tools Server[0]
[16:23:03.4308482] [External]:       Connecting to pipe: DesignToolsServer.75060394-8743-4e33-ab96-a768579ed5f8... 
[16:23:03.4308482] [External]: info: Design Tools Server[0]
[16:23:03.4308482] [External]:       Successfully connected to pipe: DesignToolsServer.75060394-8743-4e33-ab96-a768579ed5f8
[16:23:03.4653857] [External]: info: Microsoft.DotNet.DesignTools.Server.DesignToolsServer[0]
[16:23:03.4653857] [External]:       Creating DesignToolsServer [thread 1]
[16:23:03.4673856] [External]: info: Microsoft.DotNet.DesignTools.Server.DesignToolsServer[0]
[16:23:03.4673856] [External]:       Starting UI thread [thread 1]
[16:23:03.5243854] [External]: info: Microsoft.DotNet.DesignTools.Server.DesignToolsServer[0]
[16:23:03.5243854] [External]:       Performing start up tasks [thread 7]
[16:23:03.5973853] [External]: info: Design Tools Server[0]
[16:23:03.5973853] [External]:       UI thread started
[16:23:03.7203855] [External]: info: Microsoft.DotNet.DesignTools.Server.DesignToolsServer[0]
[16:23:03.7203855] [External]:       Wait for start up tasks to complete... [thread 9]
[16:23:03.7773857] [External]: info: Microsoft.DotNet.DesignTools.Server.DesignToolsServer[0]
[16:23:03.7773857] [External]:       Loaded server manifest [thread 11]
[16:23:03.7773857] [External]: info: Microsoft.DotNet.DesignTools.Server.DesignToolsServer[0]
[16:23:03.7773857] [External]:       Loading design-time assemblies [thread 11]
[16:23:03.9223852] [External]: info: Microsoft.DotNet.DesignTools.Server.ServerProtocolContext[0]
[16:23:03.9223852] [External]:       Building MEF composition....