Feat: EXP-4851 - Add optimizely attribute fetch function#8

patrick-wu wants to merge 3 commits intofeat/SQDSDKS-7159-user-filteringmparticle-integrations/mparticle-javascript-integration-rokt:feat/SQDSDKS-7159-user-filteringfrom

EXP-4851/onboarding-fnmparticle-integrations/mparticle-javascript-integration-rokt:EXP-4851/onboarding-fnCopy head branch name to clipboard