[mob][photos] Use separate isIgnored getter instead of isHidden

mobile/lib/face/model/person.dart

@@ -56,6 +56,9 @@ class PersonData {
 
   bool hasAvatar() => avatarFaceId != null;
 
+  bool get isIgnored =>
+      (name.isEmpty || name == '(hidden)' || name == '(ignored)');
+
   PersonData({
     required this.name,
     this.assigned,

mobile/lib/services/machine_learning/face_ml/feedback/cluster_feedback.dart

@@ -294,8 +294,7 @@ class ClusterFeedbackService {
   }
 
   Future<void> ignoreCluster(int clusterID) async {
-    await PersonService.instance
-        .addPerson('(ignored)', clusterID, isHidden: true);
+    await PersonService.instance.addPerson('', clusterID);
     Bus.instance.fire(PeopleChangedEvent());
     return;
   }

mobile/lib/services/search_service.dart

@@ -787,7 +787,7 @@ class SearchService {
           continue;
         }
         final PersonEntity p = personIdToPerson[personID]!;
-        if (p.data.isHidden) continue;
+        if (p.data.isIgnored) continue;
         facesResult.add(
           GenericSearchResult(
             ResultType.faces,

mobile/lib/ui/viewer/file_details/face_widget.dart

@@ -202,7 +202,9 @@ class _FaceWidgetState extends State<FaceWidget> {
                   const SizedBox(height: 8),
                   if (widget.person != null)
                     Text(
-                      widget.person!.data.name.trim(),
+                      widget.person!.data.isIgnored
+                          ? '(ignored)'
+                          : widget.person!.data.name.trim(),
                       style: Theme.of(context).textTheme.bodySmall,
                       overflow: TextOverflow.ellipsis,
                       maxLines: 1,

mobile/lib/ui/viewer/file_details/faces_item_widget.dart

@@ -123,9 +123,9 @@ class _FacesItemWidgetState extends State<FacesItemWidget> {
       // Make sure hidden faces are last
       faces.sort((Face a, Face b) {
         final aIsHidden =
-            persons[faceIdToPersonID[a.faceID]]?.data.isHidden ?? false;
+            persons[faceIdToPersonID[a.faceID]]?.data.isIgnored ?? false;
         final bIsHidden =
-            persons[faceIdToPersonID[b.faceID]]?.data.isHidden ?? false;
+            persons[faceIdToPersonID[b.faceID]]?.data.isIgnored ?? false;
         if (aIsHidden && !bIsHidden) {
           return 1;
         } else if (!aIsHidden && bIsHidden) {

mobile/lib/ui/viewer/people/add_person_action_sheet.dart

@@ -294,7 +294,7 @@ class _PersonActionSheetState extends State<PersonActionSheet> {
   }) async {
     final persons = await PersonService.instance.getPersons();
     if (excludeHidden) {
-      persons.removeWhere((person) => person.data.isHidden);
+      persons.removeWhere((person) => person.data.isIgnored);
     }
     return persons;
   }

mobile/lib/ui/viewer/people/people_app_bar.dart

@@ -27,7 +27,7 @@ class PeopleAppBar extends StatefulWidget {
   final SelectedFiles selectedFiles;
   final PersonEntity person;
 
-  bool get isHidden => person.data.isHidden;
+  bool get isIgnored => person.data.isIgnored;
 
   const PeopleAppBar(
     this.type,
@@ -143,7 +143,7 @@ class _AppBarWidgetState extends State<PeopleAppBar> {
 
     final List<PopupMenuItem<PeoplPopupAction>> items = [];
 
-    if (!widget.isHidden) {
+    if (!widget.isIgnored) {
       items.addAll(
         [
           PopupMenuItem(