Java: Fix incorrect annotation handling for SpringControllerRequestMappingGetMethod

Author: Marcono1234

java/ql/src/experimental/Security/CWE/CWE-352/JsonpInjectionLib.qll

@@ -47,8 +47,8 @@ class SpringControllerRequestMappingGetMethod extends SpringControllerGetMethod
         .getType()
         .hasQualifiedName("org.springframework.web.bind.annotation", "RequestMapping") and
     (
-      this.getAnAnnotation().getEnumConstantValue("method").getName() = "GET" or
-      this.getAnAnnotation().getValue("method").(ArrayInit).getSize() = 0 //Java code example: @RequestMapping(value = "test")
+      this.getAnAnnotation().getAnEnumConstantArrayValue("method").getName() = "GET" or
+      not exists(this.getAnAnnotation().getAnArrayValue("method")) //Java code example: @RequestMapping(value = "test")
     ) and
     not this.getAParamType().getName() = "MultipartFile"
   }