Crash when using memory observer 16 bytes pattern search

### Describe the bug

Emulator sometimes crashes any time emulation is running and 16 bytes pattern search is used

### Expected behavior

Search and display addresses

### Steps to reproduce the bug

1. Start emulation
2. Debug
3. CPU
4. Show memory observer
5. Go to pattern search
6. Set to 16 bytes
7. Search anything

### Operating System

Garuda linux (arch)

### PCSX-Redux version

Built from source (latest)

### CPU model

Ryzen 7 5700x

### GPU model & Drivers

Renderer: AMD Radeon Graphics (navi22, LLVM 15.0.7, DRM 3.52, 6.3.9-zen1-1-zen); Version: 4.6 (Core Profile) Mesa 23.1.2

### BIOS version

scph5501.bin

### Options

- [ ] Dynarec CPU
- [ ] 8MB
- [ ] OpenGL GPU
- [ ] Fastboot
- [X] Debugger

### Iso checks

_No response_

### Logs

_No response_

### Additional information

Ran from console:
`fish: Job 2, 'pcsx-redux/pcsx-redux' terminated by signal SIGSEGV (Address boundary error)`