References #1928: Fixed UX issues involving renaming columns and initial state of string attribute filter UI

(cherry picked from commit db3cf6191a881497b2608625ad232920185a7ce7)
References #1928: Renamed "Attribute" to "Column" for consistency with rest of core

(cherry picked from commit a5e7859062ebcab28f96b196ef5bb80cdcc769ee)