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Remove the 'Add' list banner button from a related list

This button mysteriously became available after installing the Problem Management Best Practice - Madrid plugins (it is actually a good feature and worth retaining, but below shows steps to remove if it's not to be present)


How I located it:

used the 'inspect element' within firefox, turns out in this case it's the UI action with sys id 69deb210874313007e31af1e36cb0be9




in this case, the conditions of the UI action reference script include BulkAddIncidents.canShowAddButton which does a lookup on a sys property, which appears to have become created with activation of the best practice plugin



Hence the following seemed to do the trick and remove the 'add' button

although keeping it allows for some nice functionality!



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