user info popover: Add user type/role in user information popover.

Add user role-- "Administrator", "Member", "Bot" or "Guest"
under 'Local time' in user information popover.

Fixes part of #10754

frontend_tests/node_tests/popovers.js

@@ -145,6 +145,7 @@ run_test('sender_hover', () => {
                 user_email: 'alice@example.com',
                 user_id: 42,
                 user_time: undefined,
+                user_type: i18n.t('Member'),
                 presence_status: 'offline',
                 user_last_seen_time_status: 'translated: More than 2 weeks ago',
                 pm_with_uri: '#narrow/pm-with/42-alice',

static/js/popovers.js

@@ -129,6 +129,7 @@ function render_user_info_popover(user, popover_element, is_sender_popover, priv
         user_id: user.user_id,
         user_last_seen_time_status: user_last_seen_time_status(user.user_id),
         user_time: people.get_user_time(user.user_id),
+        user_type: people.get_user_type(user.user_id),
     };
 
     popover_element.popover({

static/templates/user_info_popover_content.handlebars

@@ -27,6 +27,8 @@
         {{#if user_time}}
         <li>{{ user_time }} {{#tr this}}Local time{{/tr}}</li>
         {{/if}}
+
+        <li>{{ user_type }}</li>
     </div>
     <hr />
     {{#if show_user_profile}}