fix: is_inertia_response helper and documentation

Author: KaioFelps

docs/src/advanced/actix-web-implementations.md

@@ -114,7 +114,7 @@ where
 
             // If it's not a Inertia redirect or response, it might be assets response
             // then, reflash everything so that assets don't affect real user's requests
-            let (prev_url, curr_url, optional_errors) = if !is_inertia_response(&req) {
+            let (prev_url, curr_url, optional_errors) = if !is_inertia_response(&res) {
                 (before_prev_url, prev_url, errors)
             } else {
                 let inertia_session = req.extensions_mut().remove::<InertiaSessionToReflash>();

src/providers/actix_provider/facade.rs

@@ -73,7 +73,7 @@ fn extract_inertia(req: &HttpRequest) -> &Inertia {
     }
 }
 
-pub fn is_inertia_response(res: &ServiceResponse) -> bool {
+pub fn is_inertia_response<B: 'static>(res: &ServiceResponse<B>) -> bool {
     let headers = res.headers();
 
     headers.get(X_INERTIA).is_some()