add photos getter in FilesCount to get images+livePhotos

lib/models/user_details.dart

@@ -125,6 +125,8 @@ class FilesCount {
 
   int get total => images + videos + livePhotos + (filesCount[-1] ?? 0);
 
+  int get photos => images + livePhotos;
+
   int get images => filesCount[0] ?? 0;
 
   int get videos => filesCount[1] ?? 0;

lib/ui/settings/details_section_widget.dart

@@ -260,7 +260,7 @@ class _DetailsSectionWidgetState extends State<DetailsSectionWidget> {
                                 crossAxisAlignment: CrossAxisAlignment.start,
                                 children: [
                                   Text(
-                                    "${NumberFormat().format(FilesCount(filesCount).images + FilesCount(filesCount).livePhotos)} photos",
+                                    "${NumberFormat().format(FilesCount(filesCount).photos)} photos",
                                     style: getEnteTextTheme(context)
                                         .mini
                                         .copyWith(color: textBaseDark),