Users list and show: Role, Password, OIDC columns; UserHelpers

- Index: load :role; columns Role, Password (has_password?), OIDC; contrast fix.
- Show: Role, OIDC (Linked/Not linked); has_password? for Password Authentication.
- UserHelpers: has_password?/1, has_oidc?/1. Gettext: new strings and DE translations.

lib/mv_web/live/user_live/show.ex

@@ -55,8 +55,14 @@ defmodule MvWeb.UserLive.Show do
 
       <.list>
         <:item title={gettext("Email")}>{@user.email}</:item>
+        <:item title={gettext("Role")}>{@user.role.name}</:item>
         <:item title={gettext("Password Authentication")}>
-          {if @user.hashed_password, do: gettext("Enabled"), else: gettext("Not enabled")}
+          {if MvWeb.Helpers.UserHelpers.has_password?(@user),
+            do: gettext("Enabled"),
+            else: gettext("Not enabled")}
+        </:item>
+        <:item title={gettext("OIDC")}>
+          {if @user.oidc_id, do: gettext("Linked"), else: gettext("Not linked")}
         </:item>
         <:item title={gettext("Linked Member")}>
           <%= if @user.member do %>
@@ -79,7 +85,9 @@ defmodule MvWeb.UserLive.Show do
   @impl true
   def mount(%{"id" => id}, _session, socket) do
     actor = current_actor(socket)
-    user = Ash.get!(Mv.Accounts.User, id, domain: Mv.Accounts, load: [:member], actor: actor)
+
+    user =
+      Ash.get!(Mv.Accounts.User, id, domain: Mv.Accounts, load: [:member, :role], actor: actor)
 
     if Mv.Helpers.SystemActor.system_user?(user) do
       {:ok,