feat(http): map uploaded files into the request properties

src/Tempest/Http/src/Mappers/PsrRequestToRequestMapper.php

@@ -53,7 +53,7 @@ public function map(mixed $from, mixed $to): array|object
             'path' => $from->getUri()->getPath(),
             'query' => $query,
             'files' => $uploads,
-            ...$data,
+            ...$data + $uploads,
         ])->to($requestClass);
 
         $validator = new Validator();

src/Tempest/Mapper/src/Mappers/ArrayToObjectMapper.php

@@ -160,9 +160,9 @@ private function resolveValueFromArray(
 
         $caster = $this->casterFactory->forProperty($property);
 
-        foreach ($data as $item) {
+        foreach ($data as $key => $item) {
             if (! is_array($item)) {
-                $values[] = $caster?->cast($item) ?? $item;
+                $values[$key] = $caster?->cast($item) ?? $item;
 
                 continue;
             }