Add "Reset Preferences" to Payload Settings

[HarleySalas]

There are many scenarios throughout v3's alpha, beta and stable release where I've had to either delete my user, or go directly in to the database to delete my payload-preferences, due to many side effects.

One instance today for example was when configuring the admin.disableListColumn option for some fields. It ultimately broke the ability to reorder columns in a ListView entirely, assumingly due to some sort of mismatch, where preferences does not update accordingly. I even deleted the collection entirely, hoping to avoid having to migrate:fresh, or inconveniently access the database directly to delete my preferences. Ultimately, what I ended up doing was deleting my user and re-creating it. Of course, none of these things are an optimal developer, or user experience.

I think that accounting for every edge scenario where issues with payload-preferences causes an issue is perhaps a bit unrealistic to resolve in the nearest future. Even if it did work as expected, sometimes switching to newly configured Collection admin.defaultColumns is desirable. (maybe it'd even be nice to be able to reset preferences at a collection level, but I think that may be asking for a bit much?)

What I propose is a button in our profile Payload Settings section, which allows us to simply delete our preferences, effectively reverting us to defaults, like a new user. Of course the language could be a bit better, but I hope I'm sure I've gotten the idea across.

[matthijs166]

This can easily be a plugin.

1. A custom endpoint where you can clear the preferences (maybe with an option to be user specific)
2. A custom UI component with button where you call the endpoint on click (maybe with a nice warning popup?)

I would use a plugin like this! I have sometimes the same issues.