Error notifications from widgets such as "Cost Centre Edit" may contain HTML tags in the heading

Errors returned from HTML Widgets are shown as popup notifications. This popup shows the widget title as part of the message.

Certain widget titles may contain HTML tags, e.g., when editing a Cost Centre, the service name appears as a bold prefix in the title, e.g. "Zepto: Cost Centre (GLOBAL)".

Any errors would, incorrectly, show the actual HTML title, e.g.:

<HTML><b>Zepto:</b> Cost Centre...