Fix OpenSearchProperties Environment injection for integration tests

Add @Autowired annotation to setEnvironment() method to ensure Spring
properly injects Environment instance. This enables legacy property
fallback logic in @PostConstruct init() method during integration tests.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

os-persistence/src/main/java/com/netflix/conductor/os/config/OpenSearchProperties.java

@@ -23,6 +23,7 @@ import java.util.stream.Collectors;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.convert.DurationUnit;
 import org.springframework.core.env.Environment;
@@ -307,6 +308,7 @@ public class OpenSearchProperties {
         return environment != null && environment.containsProperty(NEW_PREFIX + propertyName);
     }
 
+    @Autowired
     public void setEnvironment(Environment environment) {
         this.environment = environment;
     }