Hide selector box

Hello, I would like to have the option to hide the menu without hiding the magnifying glass to search. and also that this selector can be removed when not neededCaptura de Pantalla 2020-05-19 a la(s) 11.11.10 p. m.

Half of this request already exists:

As for the selector box, this only shows up when there is an available Action that can be applied to multiple records at once. Such as Delete in a table that allows deletes, or many user-defined actions.