Ms2/process list fixes

[FelipeTrost]

Summary

This solves some points of #259

Folders

• changed folder properties to match processes updatedAt -> lastEdited createdAt -> createdOn
• fixed folder unit tests
• disallowed changing a folder's environmentId

Process list

• name column cannot be deselected
• all columns except for description can be sorted while keeping folders on top

Fuzy search

• make sure that value of a searched key has always a string

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[github-actions[bot]]

✅ Successfully created Preview Deployment.

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[github-actions[bot]]

✅ Successfully created Preview Deployment.

https://pr-283---ms-server-staging-c4f6qdpj7q-ew.a.run.app

[github-actions[bot]]

✅ Successfully created Preview Deployment.

https://pr-283---ms-server-staging-c4f6qdpj7q-ew.a.run.app