Navigation: Chapter and Verse Navigation - 4pts

[jakedcolbert]

• Add support to enable or disable chapter selection menu visibility after user selects a book
• Add support to enable or disable verse selection menu visibility after user selects a chapter
• Add support to enable or disable chapter selection menu when user interacts with chapter number on the app bar
• Add support to enable or disable chapter number visibility on the app bar

[Jason-Lopez8]

On app bar done.

[Jason-Lopez8]

Functionality for all 4 done unsure of UI aspect

[Jason-Lopez8]

Waiting for Chris on update about a bug with drop-downs

[chrisvire]

Oh.... I implemented this in https://github.com/sillsdev/appbuilder-pwa/pull/131