load file/document first, then load NC interface in background

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Is your feature request related to a problem? Please describe.

1. Click on an internal link to a document (e.g. Office document like .odt, or .md files, or an image file...)
2. First the Nextcloud Files interface is loaded, you briefly see the folders etc.
3. Then the file is loaded on top of it in full screen view

In my experience, this whole process is pretty slow.

Describe the solution you'd like
The file should be loaded first, then the interface can be loaded in the background.

Describe alternatives you've considered

Additional context

No files, tests, or entry points are named. Start by tracing how an internal document link loads the Files interface and the document view, then determine whether the document can appear before the surrounding interface. Done means the document opens first while the Files interface loads in the background, without regressions to supported document and image links.