[ME]: Trying to upload the same file as a resource or attachment twice fails

[rcaplier]

Description

This PR fixes the overview and online resources file upload by checking if the filename already exists and renaming it if necessary.

Quality Assurance Checklist

• Commit history is devoid of any merge commits and readable to facilitate reviews
• If new logic ⚙️ is introduced: unit tests were added
• If new user stories 🤏 are introduced: E2E tests were added
• If new UI components 🕹️ are introduced: corresponding stories in Storybook were created
• If breaking changes 🪚 are introduced: add the breaking change label
• If bugs 🐞 are fixed: add the backport <release branch> label
• The documentation website 📚 has received the love it deserves

**This work is sponsored by **.

[github-actions]

Affected libs: api-repository, feature-catalog, feature-record, feature-router, feature-editor, feature-search, feature-map, feature-dataviz, feature-auth, common-domain, api-metadata-converter, ui-search, common-fixtures, ui-elements, feature-notifications, ui-catalog, util-shared, ui-widgets, ui-inputs, ui-layout, ui-map, ui-dataviz,
Affected apps: metadata-editor, datahub, demo, webcomponents, map-viewer, search, datafeeder, metadata-converter, data-platform,

• 🚀 Build and deploy storybook and demo on GitHub Pages
• 📦 Build and push affected docker images

[github-actions]

📷 Screenshots are here!

[coveralls]

coverage: 83.089% (+2.1%) from 81.027%
when pulling 34a5484 on me-upload-same-file-twice
into fdf8f64 on main.

[jahow]

Well done, thank you! I think the logic is perfect. In terms of implementation, I think we can achieve less repetition and better test coverage, see my remarks! Let me know if anything is unclear.

[jahow]

thanks!