Update exchange urlCreator (#3935)

* Update exchange urlCreator

* remove log

Author: piekczyk

pages/api/exchange/[[...params]].tsx

@@ -24,8 +24,9 @@ const urlCreator = (
   basePath: string,
 ) => {
   if (!path) return basePath
-  const removedRouteName = path.replace(`/api/${ROUTE_NAME}`, '')
-  const url = new URL(`${basePath}${removedRouteName}`)
+  // query starts with /swaps, for example: swap/v4.1/1/swap?...'
+  const replacedRouteName = path.replace(`/api/${ROUTE_NAME}`, '/swap')
+  const url = new URL(`${basePath}${replacedRouteName}`)
 
   // Add connectorTokens query param to the url if the network is mainnet
   if (Number(queryParams.networkId) === NetworkIds.MAINNET) {