fix: use seen insstead of read flag

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Providers/MessageProperties.php

@@ -96,7 +96,7 @@ class MessageProperties extends MessagePropertiesMutableAbstract {
         foreach ($message->flags() as $flag) {
             $flag = ltrim($flag, '\\');
             $normalized = match (strtolower($flag)) {
-                'seen' => 'read',
+                'seen' => 'seen',
                 'flagged' => 'flagged',
                 'answered' => 'answered',
                 'draft' => 'draft',

lib/Service/Cache/CacheService.php

@@ -180,7 +180,7 @@ class CacheService
             $updatedProperties  = $resource->toStore()['properties'] ?? [];
 
             // Only overwrite flag-related fields
-            foreach (['read', 'flagged', 'answered', 'draft', 'deleted', 'junk'] as $field) {
+            foreach (['seen', 'flagged', 'answered', 'draft', 'deleted', 'junk'] as $field) {
                 if (isset($updatedProperties[$field])) {
                     $existingProperties[$field] = $updatedProperties[$field];
                 }

lib/Service/Remote/RemoteMailService.php

@@ -1092,7 +1092,7 @@ class RemoteMailService
     private function normalizeFlags(array $flags): array
     {
         $map = [
-            'read' => '\\Seen',
+            'seen' => '\\Seen',
             'answered' => '\\Answered',
             'flagged' => '\\Flagged',
             'deleted' => '\\Deleted',