Handle sudo connection in the account view

Expand webadmin.views.my_account to also detect whether the current
context was created via sudo
If the current session was created with sudo, disable the ability to
update experimenter properties and password in the UI

omeroweb/webadmin/templates/webadmin/myaccount.html

@@ -293,7 +293,7 @@
 
                {% if ldapAuth %}
                <div id="password"><label>LDAP: </label>{{ ldapAuth }}</div>
-               {% else %}
+               {% elif not isSudo %}
 
                <div id="password">
 
@@ -308,8 +308,9 @@
                </div>
                {% endif %}
 
-
+               {% if not isSudo %}
                <input type="submit" value="{% trans 'Save' %}" />
+               {% endif %}
              </div>
             <div style="clear:both"></div>
        </form>

omeroweb/webadmin/views.py

@@ -1037,6 +1037,7 @@ def my_account(request, action=None, conn=None, **kwargs):
         isLdapUser,
         hasAvatar,
     ) = prepare_experimenter(conn)
+    isSudo = conn.getEventContext().sudoerId is not None
     try:
         defaultGroupId = defaultGroup.id
     except Exception:
@@ -1092,6 +1093,7 @@ def my_account(request, action=None, conn=None, **kwargs):
     context = {
         "form": form,
         "ldapAuth": isLdapUser,
+        "isSudo": isSudo,
         "experimenter": experimenter,
         "ownedGroups": ownedGroups,
         "password_form": password_form,