fix: check correct reserve for flashloan enabled on debt and repay

Author: mgrabina

src/components/transactions/Swap/errors/shared/FlashLoanDisabledBlockingGuard.tsx

@@ -10,11 +10,11 @@ export const hasFlashLoanDisabled = (state: SwapState): boolean => {
     return false;
   }
 
-  if (
-    state.useFlashloan === true &&
-    state.sourceReserve?.reserve &&
-    !state.sourceReserve.reserve.flashLoanEnabled
-  ) {
+  const reserve = !state.isInvertedSwap
+    ? state.sourceReserve?.reserve
+    : state.destinationReserve?.reserve;
+
+  if (state.useFlashloan === true && reserve && !reserve.flashLoanEnabled) {
     return true;
   }