feat(web): add an option to change the date formats (#7174)

* feat: add an option to change the date formats

* pr feedback

* fix: change title

* fix: show list supported by the browser

* fix: tests

* fix: dates

* fix: check only if locale is set

* fix: better fallback value

* fix: fallback

* fix: fallback

* feat: add default locale option

* refactor: shared components

* refactor: shared components

* prepare for svelte 5

* don't use relative paths

* refactor: fallback value

Co-authored-by: Michel Heusschen <59014050+michelheusschen@users.noreply.github.com>

* fix: parsing store

* fix: lint

* refactor: locales

---------

Co-authored-by: Michel Heusschen <59014050+michelheusschen@users.noreply.github.com>
Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>

web/src/routes/admin/system-settings/+page.svelte

@@ -10,7 +10,7 @@
   import OAuthSettings from '$lib/components/admin-page/settings/oauth/oauth-settings.svelte';
   import PasswordLoginSettings from '$lib/components/admin-page/settings/password-login/password-login-settings.svelte';
   import ServerSettings from '$lib/components/admin-page/settings/server/server-settings.svelte';
-  import SettingAccordion from '$lib/components/admin-page/settings/setting-accordion.svelte';
+  import SettingAccordion from '$lib/components/shared-components/settings/setting-accordion.svelte';
   import StorageTemplateSettings from '$lib/components/admin-page/settings/storage-template/storage-template-settings.svelte';
   import ThemeSettings from '$lib/components/admin-page/settings/theme/theme-settings.svelte';
   import ThumbnailSettings from '$lib/components/admin-page/settings/thumbnail/thumbnail-settings.svelte';