Improve rendering performance of the Vue file list
<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=215993) </details> <!--IssueSummary end--> The current file list renders as a `<table />` which renders fast for smaller lists, when we start to render larger lists the `<table />` starts to render slower the more items we have in the list. ## Proposal Refactor the `<table />` into `<div />` etc. We also need to think about accessibility when doing this. /cc @andr3
issue