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>

web/src/lib/components/layouts/user-page-layout.svelte

@@ -16,7 +16,6 @@
 
   <slot name="header" />
 </header>
-
 <main
   class="grid md:grid-cols-[theme(spacing.64)_auto] grid-cols-[theme(spacing.18)_auto] relative pt-[var(--navbar-height)] h-screen overflow-hidden bg-immich-bg dark:bg-immich-dark-bg"
 >