[backport core/1.34] add warning when using legacy mask editor (indicating it will be removed in next version)#7513

christian-byrne merged 1 commit intocore/1.34Comfy-Org/ComfyUI_frontend:core/1.34from

backport-7332-to-core-1.34Comfy-Org/ComfyUI_frontend:backport-7332-to-core-1.34Copy head branch name to clipboard