* Devtools: Pause system
* Devtools: pm4 viewer
- new menu bar
- refactored video_info layer
- dump & inspect pm4 packets
- removed dumpPM4 config
- renamed System to DebugState
- add docking space
- simple video info constrained to window size
* Devtools: pm4 viewer - add combo to select the queue
* Devtools: pm4 viewer - add hex editor
* Devtools: pm4 viewer - dump current cmd
* add monospaced font to devtools
* Devtools: pm4 viewer - use spec op name
avoid some allocations
* Use a singleton for instruction decoding
* Use singleton class
* Patch `EXTRQ`
* Fixup signal context functions
* Update CMakeLists.txt
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Co-authored-by: georgemoralis <giorgosmrls@gmail.com>
* cpu_patches: Patch just-in-time using illegal instruction handler.
* core: Add common signal dispatch system and use for on-demand TCB patches.
* page_manager: Re-add userfaultfd implementation.
