GPU-AV: `Post Process Descriptor Indexing` is broken in Vulkan SDK 1.4

**Environment:**
- OS: Windows 10 64-bit
- GPU and driver version: RTX 3070 Ti, 566.36
- SDK or header version if building from repo: 1.4.304.0
- Options enabled (synchronization, best practices, etc.): GPU-Assisted - Shader Instrumentation - Post Process Descriptor Indexing

**Describe the Issue**

Run [3D-Graphics-Rendering-Cookbook-Second-Edition/Chapter11/06_FinalDemo](https://github.com/PacktPublishing/3D-Graphics-Rendering-Cookbook-Second-Edition/tree/main/Chapter11/06_FinalDemo).

Device Lost or (sometimes) extremely slow rendering.

**Expected behavior**

Disable `Post Process Descriptor Indexing`.


**Valid Usage ID**

No validation messages.