fix: leftover TODOs

Author: cesarenaldi

packages/graphql/src/fragments/user.ts

@@ -145,7 +145,7 @@ export const UserBalanceFragment = graphql(
     balances {
       ...TokenAmount
     }
-    fiatAmount { #(currency: $currency) { TODO: restore when API is fixed
+    fiatAmount(currency: $currency) {
       ...FiatAmount
     }
     supplyApy(metric: HIGHEST) {

packages/react/src/transactions.ts

@@ -1231,9 +1231,9 @@ export function useSetSpokeUserPositionManagerAction(): UseAsyncTask<
  * ```
  */
 export function usePreviewAction(
-  _: Required<CurrencyQueryOptions> = DEFAULT_QUERY_OPTIONS,
+  _options: Required<CurrencyQueryOptions> = DEFAULT_QUERY_OPTIONS,
 ): UseAsyncTask<PreviewRequest, PreviewUserPosition, UnexpectedError> {
-  // TODO: wire up options once AAVE-1916 is implemented
+  // TODO: wire up _options once AAVE-1916 is implemented
   const client = useAaveClient();
 
   return useAsyncTask((request: PreviewRequest) => preview(client, request));