[4.x] Use the site locale when auto generated titles (#9261)

Use the site locale when generating title formats

src/Entries/Entry.php

@@ -8,6 +8,7 @@
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Contracts\Support\Responsable;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Traits\Localizable;
 use LogicException;
 use Statamic\Contracts\Auth\Protect\Protectable;
 use Statamic\Contracts\Data\Augmentable;
@@ -53,7 +54,7 @@
 
 class Entry implements Arrayable, ArrayAccess, Augmentable, ContainsQueryableValues, Contract, Localization, Protectable, ResolvesValuesContract, Responsable, SearchableContract
 {
-    use ContainsComputedData, ContainsData, ExistsAsFile, FluentlyGetsAndSets, HasAugmentedInstance, Publishable, Revisable, Searchable, TracksLastModified, TracksQueriedColumns, TracksQueriedRelations;
+    use ContainsComputedData, ContainsData, ExistsAsFile, FluentlyGetsAndSets, HasAugmentedInstance, Localizable, Publishable, Revisable, Searchable, TracksLastModified, TracksQueriedColumns, TracksQueriedRelations;
 
     use HasOrigin {
         value as originValue;
@@ -926,7 +927,7 @@ public function autoGeneratedTitle()
 
         // Since the slug is generated from the title, we'll avoid augmenting
         // the slug which could result in an infinite loop in some cases.
-        $title = (string) Antlers::parse($format, $this->augmented()->except('slug')->all());
+        $title = $this->withLocale($this->site()->locale(), fn () => (string) Antlers::parse($format, $this->augmented()->except('slug')->all()));
 
         return trim($title);
     }