💔💔💔 Baby REFUSES breast

Baby is 3.5 months now. I went back to work when she was 2 months. I pumped and did a combination of bottle and breastfeeding exclusively with breast milk. Then my supply dipped because of a few overnight work days and we started supplementing with formula 3 weeks ago. We have a full time live in nanny she takes care of all day and night and I haven’t breast fed baby for the last 3 weeks. Only pumping before I go to work and when I come home. I finally spent a few days home and tried to breastfeed her but she absolutely REFUSES to take the breast 😭😭 She cries and pushes away and wont even try. I guess I will continue pumping and feeding by bottle. I dont have anywhere else to share and vent. Thanks for reading. It really is devastating. I am so mad at myself, I didnt even think there was such a thing as baby refusing breast. There are no lactation consultants where we live, so no one to go to for support