[backport cloud/1.40] fix: stabilize nested subgraph promoted widget resolution#9444

DrJKL wants to merge 6 commits intocloud/1.40Comfy-Org/ComfyUI_frontend:cloud/1.40from

backport-9282-to-cloud-1.40Comfy-Org/ComfyUI_frontend:backport-9282-to-cloud-1.40Copy head branch name to clipboard