Support to Register URL Prefix with Application

Enhanced "Associate File Extension - Windows" action to add support for registering URL Prefix with application. The action has been renamed to "Associate File Extension/URL Prefix - Windows". New property "URL Prefix' has been added in this action available in Install and Post-Install phases.

The URL Prefix can now be associated to an Existing or Installed application.

Note:This change was tracked in issue IOK-668283.