Bolting LongDescription onto thumbnail ComplexType

Author: iambmelt

graphmeta_excel_noannots.xml

@@ -744,6 +744,7 @@
         <Property Name="height" Type="Edm.Int32"/>
         <Property Name="url" Type="Edm.String" Unicode="false"/>
         <Property Name="width" Type="Edm.Int32"/>
+        <Annotation Term="Org.OData.Core.V1.LongDescription" String="navigable" />
       </ComplexType>
       <EntityType Name="workbookApplication" BaseType="microsoft.graph.entity">
         <Property Name="calculationMode" Type="Edm.String" Nullable="false" Unicode="false"/>