Added property for disabling subscription keep alive

Author: oliemansm

gradle.properties

@@ -17,7 +17,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-version = 5.3.2-SNAPSHOT
+version = 5.4
 PROJECT_GROUP = com.graphql-java-kickstart
 PROJECT_NAME = graphql-spring-boot
 PROJECT_DESC = GraphQL Spring Framework Boot

graphql-spring-boot-autoconfigure/src/main/java/com/oembedler/moon/graphql/boot/GraphQLWebsocketAutoConfiguration.java

@@ -49,8 +49,8 @@ public SubscriptionConnectionListener subscriptionConnectionListener() {
 
     @Bean
     @ConditionalOnMissingBean
-    public GraphQLWebsocketServlet graphQLWebsocketServlet(GraphQLInvocationInputFactory invocationInputFactory, GraphQLQueryInvoker queryInvoker, GraphQLObjectMapper graphQLObjectMapper) {
-        return new GraphQLWebsocketServlet(queryInvoker, invocationInputFactory, graphQLObjectMapper);
+    public GraphQLWebsocketServlet graphQLWebsocketServlet(GraphQLInvocationInputFactory invocationInputFactory, GraphQLQueryInvoker queryInvoker, GraphQLObjectMapper graphQLObjectMapper, SubscriptionConnectionListener subscriptionConnectionListener) {
+        return new GraphQLWebsocketServlet(queryInvoker, invocationInputFactory, graphQLObjectMapper, subscriptionConnectionListener);
     }
 
     @Bean