[SPARK-22899][ML][STREAMING] Fix OneVsRestModel transform on streamin…

…g data failed.

## What changes were proposed in this pull request?

Fix OneVsRestModel transform on streaming data failed.

## How was this patch tested?

UT will be added soon, once #19979 merged. (Need a helper test method there)

Author: WeichenXu <weichen.xu@databricks.com>

Closes #20077 from WeichenXu123/fix_ovs_model_transform.

mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala

@@ -165,7 +165,7 @@ final class OneVsRestModel private[ml] (
     val newDataset = dataset.withColumn(accColName, initUDF())
 
     // persist if underlying dataset is not persistent.
-    val handlePersistence = dataset.storageLevel == StorageLevel.NONE
+    val handlePersistence = !dataset.isStreaming && dataset.storageLevel == StorageLevel.NONE
     if (handlePersistence) {
       newDataset.persist(StorageLevel.MEMORY_AND_DISK)
     }