Add warning log when using an uninitialized tracking client (#12945)

airbyte-analytics/src/main/java/io/airbyte/analytics/TrackingClientSingleton.java

@@ -14,15 +14,20 @@
 import java.io.IOException;
 import java.util.UUID;
 import java.util.function.Function;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class TrackingClientSingleton {
 
+  private static final Logger LOGGER = LoggerFactory.getLogger(LoggingTrackingClient.class);
+
   private static final Object lock = new Object();
   private static TrackingClient trackingClient;
 
   public static TrackingClient get() {
     synchronized (lock) {
       if (trackingClient == null) {
+        LOGGER.warn("Attempting to fetch an initialized track client. Initializing a default one.");
         initialize();
       }
       return trackingClient;