Updates for 2.7.7 (#35919)

* Added options.chart.axisShortNumberFormat

* validateFormulas option in Flexmonster

* new option properties were added

showFieldListSearch
strictDataTypes

* Added ContextMenuItem.class

* ExportOptions.fontUrl

* Options.caseSensitiveMembers

types/flexmonster/index.d.ts

@@ -291,6 +291,7 @@ declare namespace Flexmonster {
         validateFormulas?: boolean;
         showFieldListSearch?: boolean;
         strictDataTypes?: boolean;
+        caseSensitiveMembers?: boolean;
     }
 
     interface PrintOptions {
@@ -359,6 +360,7 @@ declare namespace Flexmonster {
         useCustomizeCellForData?: boolean;
         excelExportAll?: boolean;
         requestHeader?: object;
+        fontUrl?: string;
     }
 
     interface Hierarchy {