* Changed id's in TOC's links to match workspaceMaterialId instead of
materialId
* Changed material page list's sections id to workspaceMaterialId
instead of materialId
* Added workspaceMaterialId to editPage function so we can destroy the
editor when user clicks the document 
* Fixed Node is undefined error when user clicks outside of editor
* Added data-material-id attribute back to <a> elements in
materials-management-page.dust file and modified renderDustTemplate to
use that attribute