allow geolocate control to query and use permissions

Nobody has claimed this yet.

**mapbox-gl-js version**:
v1.10.1
**browser**:
mobile Safari (mapbox-gl-js embedded in WKWebView)

### Steps to Trigger Behavior

It worked in former versions e.g. one year ago, but creates problems now.
When I first start the app I get asked to give the geolocation permission, when I click on "always" it will work for the first time and locate me, but after I close and restart the app, I will not be asked any more and the geolocation button will keep spinning and the geoloc status remains "WAITING_ACTIVE"

If I go to the app settings and change the permissions to "ask next time" (or similar), it will work, but there doesn't seem a way to store (and use) the permission permanently (it will store the permission, but it will not locate me nor ask about permission, it will remain "WAITING ACTIVE").

Any idea?

### Link to Demonstration

https://jsbin.com/

### Expected Behavior

### Actual Behavior

Start by reproducing the permission flow on mapbox-gl-js v1.10.1 in mobile Safari or a WKWebView, focusing on the geolocate control's WAITING_ACTIVE state after an app restart. Done means the control queries and uses the stored permission correctly and either locates the user or requests permission instead of spinning indefinitely.

Written by the indexing model from the issue text.