feat(server,web): hide faces (#3262)

* feat: hide faces

* fix: types

* pr feedback

* fix: svelte checks

* feat: new server endpoint

* refactor: rename person count dto

* fix(server): linter

* fix: remove duplicate button

* docs: add comments

* pr feedback

* fix: get unhidden faces

* fix: do not use PersonCountResponseDto

* fix: transition

* pr feedback

* pr feedback

* fix: remove unused check

* add server tests

* rename persons to people

* feat: add exit button

* pr feedback

* add server tests

* pr feedback

* pr feedback

* fix: show & hide faces

* simplify

* fix: close button

* pr feeback

* pr feeback

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/openapi/doc/PeopleResponseDto.md

@@ -0,0 +1,17 @@
+# openapi.model.PeopleResponseDto
+
+## Load the model package
+```dart
+import 'package:openapi/api.dart';
+```
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**total** | **num** |  | 
+**visible** | **num** |  | 
+**people** | [**List<PersonResponseDto>**](PersonResponseDto.md) |  | [default to const []]
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+