Nvm, definitely do cache icon requests

app/soapbox/components/ui/icon/svg-icon.tsx

@@ -29,8 +29,6 @@ const SvgIcon: React.FC<ISvgIcon> = ({ src, alt, size = 24, className }): JSX.El
       height={size}
       loader={loader}
       data-testid='svg-icon'
-      // The cache causes bugs, and the ServiceWorker already caches icons.
-      cacheRequests={false}
     >
       {/* If the fetch fails, fall back to displaying the loader */}
       {loader}