(fix) Fix Webpack compilation error logging on build

[jayasanka-sack]

Requirements

• This PR has a title that briefly describes the work done including the ticket number. If there is a ticket, make sure your PR title includes a conventional commit label. See existing PR titles for inspiration.

For changes to apps

• My work conforms to the OpenMRS 3.0 Styleguide and design documentation.

If applicable

• My work includes tests or is validated by existing tests.
• I have updated the esm-framework mock to reflect any API changes I have made.

Summary

When encountering a webpack compilation error during the build process, it logs [openmrs] undefined. This issue becomes evident in recent build failures[1][2]. The root cause lies in the logger expecting an Error object during promise rejection, but the provided object is not of type Error, leading to a failure in logging the corresponding message.

To address this, I've modified the handling of errors. The stats?.compilation.errors array contains webpack error objects. To facilitate proper logging, I have converted this array into a string and thrown it as a new Error object.

[1] https://github.com/openmrs/openmrs-distro-referenceapplication/actions/runs/7069093486/job/19244414755?pr=765
[2] https://ci.openmrs.org/browse/REFAPP-D3X-F2-2054/log

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[denniskigen]

LGTM. Thanks, @jayasanka-sack!