Add selector and error line for "staleElementReferenceError"

[pujagani]

Fixes #4184

Adds selector and error line with proper formatting for "StaleElementReferenceError" and other errors that might occur when working with elements.

Since this updates the logs displayed, adding a test for it is hard. Instead, the PR adds an example to showcase the fix.

Thanks in advance for your contribution. Please follow the below steps in submitting a pull request, as it will help us with reviewing it quicker.

• [X] Before marking your PR for review, please test and verify your changes by making appropriate modifications to any of the Nightwatch example tests (present in examples/tests directory of the project) and running them. ecosia.js and duckDuckGo.js are good examples to work with.
• [X] Create a new branch from master (e.g. features/my-new-feature or issue/123-my-bugfix);
• [X] If it's a new feature explain why do you think it's necessary. Please check with the maintainers beforehand to make sure it is something that we will accept. Usually we only accept new features if we feel that they will benefit the entire community;

The changes now display the logs as follows:

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[github-actions[bot]]

Status

• ❌ No modified files found in the types directory. Please make sure to include types for any changes you have made. Thank you!.