Fix wrapped array hanlding wrt null by StdDeserializer

src/main/java/com/fasterxml/jackson/databind/deser/std/StdDeserializer.java

@@ -360,6 +360,9 @@ protected T _deserializeWrappedValue(JsonParser p, DeserializationContext ctxt)
             T result = (T) handleNestedArrayForSingle(p, ctxt);
             return result;
         }
+        if (p.currentToken() == JsonToken.VALUE_NULL) {
+            return getNullValue(ctxt);
+        }
         return (T) deserialize(p, ctxt);
     }
 

src/test/java/com/fasterxml/jackson/databind/struct/UnwrapSingleArrayMiscTest.java

@@ -1,9 +1,12 @@
 package com.fasterxml.jackson.databind.struct;
 
+import java.io.IOException;
 import java.util.Collections;
 import java.util.EnumMap;
 import java.util.Map;
 
+import com.fasterxml.jackson.core.JsonFactory;
+import com.fasterxml.jackson.core.JsonParser;
 import org.junit.jupiter.api.Test;
 
 import com.fasterxml.jackson.core.type.TypeReference;
@@ -78,4 +81,21 @@ public void testEnumMapUnwrapping() throws Exception
             verifyException(e, "more than one value");
         }
     }
+
+    @Test
+    public void testDeserializeArrayWithNullElement() throws IOException {
+        String json = "{\"value\": [null]}";
+
+        ObjectReader r = UNWRAPPING_MAPPER.readerFor(StringWrapper.class);
+        JsonFactory factory = new JsonFactory();
+        JsonParser p = factory.createParser(json);
+        StringWrapper v = r.readValue(p);
+        assertNotNull(v);
+        assertNull(v.value);
+    }
+
+
+    public static class StringWrapper {
+        public String value;
+    }
 }