fix: linter

Author: NguyenHoangSon96

src/main/java/com/influxdb/v3/client/internal/VectorSchemaRootConverter.java

@@ -166,13 +166,13 @@ public Object getMappedValue(@Nonnull final Field field, @Nullable final Object
                         return value;
                     }
                 default:
+                    return value;
             }
         } else if ("timestamp".equals(valueType) || Objects.equals(fieldName, "time")) {
             return NanosecondConverter.getTimestampNano(value, field);
         } else {
             return TypeCasting.toStringValue(value);
         }
-        return value;
     }
 
     /**