Refactor shouldRejectNodePromise method in AsyncTree class

[AbhisekOmkar]

This commit modifies the shouldRejectNodePromise method in the AsyncTree class to correctly access the properties of the node argument passed to the method, rather than relying on the this.currentNode property. Specifically, the isES6Async property is now accessed from the node parameter, ensuring accurate checks for ES6 async functions. This change improves the correctness and flexibility of promise rejection conditions in the AsyncTree class.

Affected method:

• shouldRejectNodePromise(err, node = this.currentNode)

Changes:

• Changed access to isES6Async property from this.currentNode to node.

[CLAassistant]

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[gravityvi]

@AbhisekOmkar Thanks for the contribution. Can you point out the issue that you are trying to solve?