[FIX] sap.m.Shell: the logo property documentation is improved
[FIX] sap.m.Shell: the logo property documentation is improved

The documentation for the logo property is now improved,
in order to specify that if value isn't set it will be taken
from the theme parameters.

Change-Id: I01654c42a4707c7d423ef6f8d68366caa13e7d13
BCP: 002075129500007918612020

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5