Don't throw an error when a collab rebase causes a step to become invalid
Don't throw an error when a collab rebase causes a step to become invalid

tzuhsiulin/prosemirror,tzuhsiulin/prosemirror,salzhrani/prosemirror,salzhrani/prosemirror,kiejo/prosemirror,adrianheine/prosemirror,salzhrani/prosemirror,kiejo/prosemirror,adrianheine/prosemirror,kiejo/prosemirror,adrianheine/prosemirror,tzuhsiulin/prosemirror