chore: use price-api to fetch exchange rates in currencyRatesController#6863

sahar-fehri wants to merge 7 commits intomainMetaMask/core:mainfrom

fix/use-price-api-exchange-rates-instead-of-cryptocompare-in-currencyRatesControllerMetaMask/core:fix/use-price-api-exchange-rates-instead-of-cryptocompare-in-currencyRatesControllerCopy head branch name to clipboard