fix(model): Keep the root project under all circumstances#11042

wkl3nk wants to merge 1 commit intooss-review-toolkit:mainoss-review-toolkit/ort:mainfrom

boschglobal:wkl3nk/spdx-generation-failure-as-no-root-project-existsboschglobal/oss-review-toolkit:wkl3nk/spdx-generation-failure-as-no-root-project-existsCopy head branch name to clipboard