[JS] Investigate using Symbols to access Row columns by index

Can we use row[Symbol.for(0)] instead of row[0] in order to avoid collisions? What would the performance impact be?

**Reporter**: [Brian Hulette](https://issues.apache.org/jira/browse/ARROW-4551) / @TheNeuralBit

_{**Note**: *This issue was originally created as [ARROW-4551](https://issues.apache.org/jira/browse/ARROW-4551). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*}