feat: Address review comments

Author: guilherme6191

.changeset/quick-kings-rescue.md

@@ -2,4 +2,4 @@
 '@clerk/clerk-js': patch
 ---
 
-Add browser locale to sign-in flow
+Add support for automatically sending the browser locale during the sign-in flow

packages/clerk-js/src/core/resources/SignIn.ts

@@ -168,7 +168,7 @@ export class SignIn extends BaseResource implements SignInResource {
     const locale = getBrowserLocale();
     return this._basePost({
       path: this.pathRoot,
-      body: { ...params, ...(locale ? { locale } : {}) },
+      body: { ...(locale ? { locale } : {}), ...params },
     });
   };
 
@@ -713,7 +713,7 @@ class SignInFuture implements SignInFutureResource {
     const locale = getBrowserLocale();
     await this.resource.__internal_basePost({
       path: this.resource.pathRoot,
-      body: { ...params, ...(locale ? { locale } : {}) },
+      body: { ...(locale ? { locale } : {}), ...params },
     });
   }