[EDITOR] Unusable editor After VS 2.3 update

Hello developers,

I'm currently working on a large modding project called Space Engineers Expansion Mod (SEEM). The project workspace is currently over 4 GB in size and contains 250+ duplicated vanilla blocks, each renamed and modified to provide players with multiple performance tiers for every block.

Before the VRage Editor 2.3 update, the editor was already noticeably slow when working with this project, but it was still usable. Here's a video demonstrating the performance before the update:

Before 2.3:

https://youtu.be/6QF5eat_Upc

After updating to VRage Editor 2.3, the editor has become almost completely unusable. Nearly every action (clicking an item, selecting an asset, opening properties, etc.) takes approximately 5 seconds or more to respond. This makes it impossible to continue developing the project efficiently.

Here's a video showing the current behavior after the 2.3 update:

After 2.3:

https://youtu.be/gP_u4xWbkyI

I'd also like to point out that this issue occurs with a large workspace (over 4 GB). If it helps with investigating the problem, I'm happy to provide the project for testing.

Project download from Google Drive:

https://drive.google.com/file/d/1ONS3QTLq52mthAhnrAWITuJf_2oCqKkH/view?usp=sharing

Thank you for your time, and I hope this performance regression can be investigated.