feat: Add US/GB english discrimination, fix incorrect localizations

lib/features/documents/view/widgets/items/document_detailed_item.dart

@@ -89,7 +89,8 @@ class DocumentDetailedItem extends DocumentItem {
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
                 Text(
-                  DateFormat.yMMMMd().format(document.created),
+                  DateFormat.yMMMMd(Localizations.localeOf(context).toString())
+                      .format(document.created),
                   style: Theme.of(context)
                       .textTheme
                       .bodySmall

lib/features/documents/view/widgets/items/document_grid_item.dart

@@ -121,7 +121,9 @@ class DocumentGridItem extends DocumentItem {
                       ),
                       const Spacer(),
                       Text(
-                        DateFormat.yMMMd().format(document.created),
+                        DateFormat.yMMMMd(
+                                Localizations.localeOf(context).toString())
+                            .format(document.created),
                         style: Theme.of(context).textTheme.bodySmall,
                       ),
                     ],

lib/features/documents/view/widgets/items/document_list_item.dart

@@ -81,7 +81,8 @@ class DocumentListItem extends DocumentItem {
           maxLines: 1,
           overflow: TextOverflow.ellipsis,
           text: TextSpan(
-            text: DateFormat.yMMMd().format(document.created),
+            text: DateFormat.yMMMMd(Localizations.localeOf(context).toString())
+                .format(document.created),
             style: Theme.of(context)
                 .textTheme
                 .labelSmall