Fix depth condition bug when only depth condition is configured.

PiperOrigin-RevId: 567080598

mediapipe/tasks/java/com/google/mediapipe/tasks/vision/imagegenerator/ImageGenerator.java

@@ -683,6 +683,7 @@ public final class ImageGenerator extends BaseVisionTaskApi {
                         .setEdgeConditionTypeOptions(edgeConditionOptions().get().convertToProto())
                         .build())
                 .build());
+      }
       if (depthConditionOptions().isPresent()) {
           taskOptionsBuilder.addControlPluginGraphsOptions(
               ControlPluginGraphOptionsProto.ControlPluginGraphOptions.newBuilder()
@@ -696,7 +697,6 @@ public final class ImageGenerator extends BaseVisionTaskApi {
                           .build())
                   .build());
       }
-      }
       return Any.newBuilder()
           .setTypeUrl(
               "type.googleapis.com/mediapipe.tasks.vision.image_generator.proto.ImageGeneratorGraphOptions")