fix: no LocationConstraint for us-east-1 (#844)

Author: Chase Coalwell

Diff for: packages/middleware-location-constraint/src/index.ts

@@ -26,23 +26,23 @@ export function locationConstraintMiddleware(
     const { CreateBucketConfiguration } = args.input;
     //After region config resolution, region is a Provider<string>
     const region = await options.region();
-    if (
-      !CreateBucketConfiguration ||
-      !CreateBucketConfiguration.LocationConstraint
-    ) {
+    if (region === "us-east-1") {
       args = {
         ...args,
         input: {
           ...args.input,
-          CreateBucketConfiguration: { LocationConstraint: region }
+          CreateBucketConfiguration: undefined
         }
       };
-    } else if (region === "us-east-1") {
+    } else if (
+      !CreateBucketConfiguration ||
+      !CreateBucketConfiguration.LocationConstraint
+    ) {
       args = {
         ...args,
         input: {
           ...args.input,
-          CreateBucketConfiguration: undefined
+          CreateBucketConfiguration: { LocationConstraint: region }
         }
       };
     }