Added ESC, Y, A, N, and S as keyboard shortcuts to the Replace and Find ...

Submitting fix to bug: https://github.com/adobe/brackets/issues/5005. ESC, Y, A, N, and S keyboard shortcuts were added to the Replace and Find function. No deletion of code was necessary. I simply attached a handler to the 'modalBar' object that watched for key events and performed the necessary functions fi the above keyCodes were realized.