fix(data): make mergeServerUpserts change state immutably (#2374)#2389

Merged

brandonroberts merged 1 commit intongrx:masterfrom AdditionAddict:pr/fix_merge_server_upserts

Feb 18, 2020

+414-2

Commits on Feb 16, 2020

fix(data): make mergeServerUpserts change state immutably (ngrx#2374 )
AndrewAllenPi
committed