[PM-22179] Redirect user to /setup-extension (#15375)

* add end user feature flag

* add initial setup extension component and route

* redirect users from registration completion to the setup extension page

* add `hideIcon` to anon layout for web
- matches implementation on the browser.

* integrate with anon layout for extension wrapper

* add initial loading state

* conditionally redirect the user upon initialization

* redirect the user to the vault if the extension is installed

* add initial copy for setup-extension page

* add confirmation dialog for skipping the extension installation

* add success state for setup extension page

* only show loggedin toast when end user activation is not enabled.

* add image alt

* lower threshold for polling extension

* close the dialog when linking to the vault

* update party colors

* use the platform specific registration service to to only forward the web registrations to `/setup-extension`

* call `super` rather than `/vault` directly, it could change in the future

libs/components/src/anon-layout/anon-layout-wrapper.component.html

@@ -5,6 +5,7 @@
   [showReadonlyHostname]="showReadonlyHostname"
   [maxWidth]="maxWidth"
   [hideCardWrapper]="hideCardWrapper"
+  [hideIcon]="hideIcon"
 >
   <router-outlet></router-outlet>
   <router-outlet slot="secondary" name="secondary"></router-outlet>