feat(files): allow showing file type (mime) column

[skjnldsv]

Fix #47117
Fix #2736

• Only if we have space for it
• Accounts can disable it in their settings

[icewind1991]

Imo showing the raw mimetype is somewhere between useless and detrimental for most users.

Showing a human readable description of the file type would be much more useful.

For example dolphins shows the following when you enable the "File type" column:

[skjnldsv]

Imo showing the raw mimetype is somewhere between useless and detrimental for most users.

Showing a human readable description of the file type would be much more useful.

For example dolphins shows the following when you enable the "File type" column:

image

Will be as a followup after #52822 is in!

[skjnldsv]

/compile rebase