[Feature] add a "Transfert Remaining tasks to a memory capsule" - Save State of ComfyUI with remaning tasks in Queue

### Feature Idea

Today's PNG images store the workflow being used and that's great.
But we cannot save out "remaning tasks"
For example: if you were doing like 10 tasks in queue (or 50), and you suddently needed to shut down the computer and leave, or suddently needed to shut down comfyUI to use the vram for something else urgent, well you will have to ABORT the current run + cancel all remaning tasks in the back.

We need a way to save the state of ComfyUI with the remanining tasks in queue. So I can shut down ComfyUI then re open it and restart where I was with all the remaining tasks still being in queue.
That could be stored in some sort of extra menu containing little "memory jars" or capsules.

### Existing Solutions

_No response_

### Other

_No response_