Option to control which buttons are visible

Problem/Motivation

When using the Gin theme, it's not intuitive which buttons are going to be shown vs hidden.

Proposed resolution

Provide an option to control which buttons are hidden.

Remaining tasks

Provide an option to control which buttons are hidden in the Gin theme.

User interface changes

An option would be available to control which buttons are shown on the toolbar vs hidden in the dropdown menu.

API changes

TBD

Data model changes

n/a