Fix. Ever set async when use invokeAsync method

Author: sleipnir

README.md

@@ -94,7 +94,7 @@ The second thing we have to do is add the spawn dependency to the project.
 <dependency>
    <groupId>com.github.eigr</groupId>
    <artifactId>spawn-java-std-sdk</artifactId>
-   <version>v1.2.2</version>
+   <version>v1.2.3</version>
 </dependency>
 ```
 We're also going to configure a few things for our application build to work, including compiling the protobuf files. 
@@ -128,7 +128,7 @@ See below a full example of the pom.xml file:
       <dependency>
          <groupId>com.github.eigr</groupId>
          <artifactId>spawn-java-std-sdk</artifactId>
-         <version>v1.2.2</version>
+         <version>v1.2.3</version>
       </dependency>
       <dependency>
          <groupId>ch.qos.logback</groupId>

pom.xml

@@ -4,7 +4,7 @@
     <groupId>io.eigr.spawn</groupId>
     <artifactId>spawn-java-std-sdk</artifactId>
     <packaging>jar</packaging>
-    <version>1.2.2</version>
+    <version>1.2.3</version>
     <name>spawn-java-std-sdk</name>
     <url>http://maven.apache.org</url>
 

src/main/java/io/eigr/spawn/api/ActorRef.java

@@ -330,7 +330,6 @@ private <T extends GeneratedMessageV3, S extends GeneratedMessageV3> void invoke
 
         Map<String, String> metadata = new HashMap<>();
         options.ifPresent(opts -> {
-            invocationRequestBuilder.setAsync(true);
             opts.getDelaySeconds().ifPresent(invocationRequestBuilder::setScheduledTo);
             // 'scheduledTo' override 'delay' if both is set.
             opts.getScheduledTo()
@@ -344,6 +343,7 @@ private <T extends GeneratedMessageV3, S extends GeneratedMessageV3> void invoke
         Any commandArg = Any.pack(argument);
 
         invocationRequestBuilder
+                .setAsync(true)
                 .setSystem(ActorOuterClass.ActorSystem.newBuilder().setName(this.actorId.getSystem()).build())
                 .setActor(actorRef)
                 .setActionName(cmd)