Commented Unassigned: HtmlEditorExtender Samples in v15.1.2 fore and back color issue [27888]

Without any modification, using VS2013, the SampleSite.sln HtmlEditorExtender demos provided throw the following error when trying to use fore or back color tool:
0x800a139e - JavaScript runtime error: Sys.InvalidOperationException: 'unselectable' is not a property or an existing field.
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