Fix file sending, as a result of moving $size into Send::class when optimising mail sending

app/Classes/File/File.php

@@ -41,7 +41,6 @@ final class File extends Send
 				return $this->f->datetime->timestamp;
 
 			case 'name':
-			case 'size':
 				return $this->f->{$key};
 
 			case 'type':
@@ -84,6 +83,8 @@ final class File extends Send
 	 */
 	public function open(string $compress=''): bool
 	{
+		$this->size = $this->f->size;
+
 		// If sending file is a File::class, then our file is s3
 		if ($this->nameas && $this->f instanceof FileModel) {
 			$this->fd = Storage::readStream($this->f->rel_name);