chore(#8704): clean up and organize /reports e2e test folder

[tatilepizs]

Description

Clean and organize the e2e tests that are inside the reports folder.

• [x] breadcrumbs.wdio-spec.js
• [x] bulk-delete.wdio-spec.js
• [x] date-filter.wdio-spec.js
• [x] delete.wdio-spec.js
• [x] export.wdio-spec.js
• [x] generate-short-codes.wdio-spec.js
• [x] infinite-scrolling.wdio-spec.js
• [x] reports-subject.wdio-spec.js
• [x] search-reports.wdio-spec.js
• [x] sidebar-filter.wdio-spec.js
• [x] sms-messages.wdio-spec.js
• [x] test-app_settings.js

#8704

Code review checklist

• [ ] Readable: Concise, well named, follows the style guide, documented if necessary.
• [ ] Documented: Configuration and user documentation on cht-docs
• [ ] Tested: Unit and/or e2e where appropriate
• [ ] Internationalised: All user facing text
• [ ] Backwards compatible: Works with existing data and configuration or includes a migration. Any breaking changes documented in the release notes.

Compose URLs

If Build CI hasn't passed, these may 404:

• Core
• CouchDB Single
• CouchDB Cluster

License

The software is provided under AGPL-3.0. Contributions to this project are accepted under the same license.