Project: mulestudio
Issue STUDIO-4745: Add preference for deprecated message processors
Users should be able to configure whether or not they want to show deprecated message processors. Acceptance Criteria: * If a message processor was deprecated in 3.5, it must be hidden/shown according to the preference in projects 3.5 and above * If a message processor was deprecated in 3.5, it must still be shown in 3.4 * Do the same behavior for XML autocompletion * For new installations, this should be checked by default
Story points: 5