Fix: Add additional filter (coscine/issues#1745)

coscine/issues#1745

src/CodeGen/CodeGenerator/CoscineCodeGenerator.cs

@@ -63,7 +63,7 @@ namespace Coscine.CodeGen.CodeGenerator
             combinationFileText += "let accessToken = '';";
 
             combinationFileText += @"
-if (typeof coscine !== 'undefined') {
+if (typeof coscine !== 'undefined' && typeof coscine.authorization !== 'undefined') {
   accessToken = coscine.authorization.bearer;
 }