Another post which says that I should probably take the credit from CA:
https://www.oregon.gov/dor/forms/FormsPubs/publication-or-17_101-431_2020.pdf (Page 97- Part-year residents). Is my understanding correct- I should claim tax credit from CA?
You may claim the credit on your Oregon return for
the part of the year you were a resident of Oregon if
you pay Oregon tax on income that was also taxed
by a state other than Arizona, California, Indiana,
or Virginia
