public boolean isFiltered() {
		return getRowCount() != getUnfilteredRowCount();
	}
Returns true if the given row object is currently in the view of the table; false implies
the object has been filtered out of view.

@param o the row object
@return true if in the view
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTableFilterPanel.java