MINOR:Fix typo in the impl source (#4587)

The static method KStreamImpl.createReparitionedSource() is missing a t.

This PR globally fixes the typo and keeps the code indentation consistent.

streams/src/main/java/org/apache/kafka/streams/kstream/internals/GroupedStreamAggregateBuilder.java

@@ -86,6 +86,6 @@ class GroupedStreamAggregateBuilder<K, V> {
         if (!repartitionRequired) {
             return this.name;
         }
-        return KStreamImpl.createReparitionedSource(builder, keySerde, valueSerde, queryableStoreName, name);
+        return KStreamImpl.createRepartitionedSource(builder, keySerde, valueSerde, queryableStoreName, name);
     }
 }

streams/src/main/java/org/apache/kafka/streams/kstream/internals/KGroupedStreamImpl.java

@@ -519,6 +519,6 @@ class KGroupedStreamImpl<K, V> extends AbstractStream<K> implements KGroupedStre
         if (!repartitionRequired) {
             return this.name;
         }
-        return KStreamImpl.createReparitionedSource(builder, keySerde, valSerde, queryableStoreName, name);
+        return KStreamImpl.createRepartitionedSource(builder, keySerde, valSerde, queryableStoreName, name);
     }
 }

streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamImpl.java

@@ -653,16 +653,16 @@ public class KStreamImpl<K, V> extends AbstractStream<K> implements KStream<K, V
      */
     private KStreamImpl<K, V> repartitionForJoin(final Serde<K> keySerde,
                                                  final Serde<V> valSerde) {
-        String repartitionedSourceName = createReparitionedSource(builder, keySerde, valSerde, null, name);
+        String repartitionedSourceName = createRepartitionedSource(builder, keySerde, valSerde, null, name);
         return new KStreamImpl<>(builder, repartitionedSourceName, Collections
             .singleton(repartitionedSourceName), false);
     }
 
-    static <K1, V1> String createReparitionedSource(final InternalStreamsBuilder builder,
-                                                    final Serde<K1> keySerde,
-                                                    final Serde<V1> valSerde,
-                                                    final String topicNamePrefix,
-                                                    final String name) {
+    static <K1, V1> String createRepartitionedSource(final InternalStreamsBuilder builder,
+                                                     final Serde<K1> keySerde,
+                                                     final Serde<V1> valSerde,
+                                                     final String topicNamePrefix,
+                                                     final String name) {
         Serializer<K1> keySerializer = keySerde != null ? keySerde.serializer() : null;
         Serializer<V1> valSerializer = valSerde != null ? valSerde.serializer() : null;
         Deserializer<K1> keyDeserializer = keySerde != null ? keySerde.deserializer() : null;