This allows the parent `WP_List_Table::has_items()` method to work as expected, and the override in the child class can now be removed. It also makes the class more consistent with other list table classes.
As a result of this change, the "Bulk actions" dropdown is no longer unnecessarily displayed if there are no terms.
Follow-up to [15491], [17025], [17026].
Props mattoakley, swissspidy, audrasjb, SergeyBiryukov.
Fixes#54181.
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git-svn-id: http://core.svn.wordpress.org/trunk@51489 1a063a9b-81f0-0310-95a4-ce76da25c4cd