Required update: Use the new ArcGIS geocoding endpoint

[ak-kemp]

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There are two required updates to the URL in esriProvider.ts.

1. The geocode.arcgis.com URL must be updated to use the new endpoint: geocode-api.arcgis.com to make authenticated requests via an API key or OAuth token to access the service.
2. The find operation is deprecated. You will need to use findAddressCandidates.

Current

    'https://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/find';

Required update

    'https://geocode-api.arcgis.com/arcgis/rest/services/World/GeocodeServer/findAddressCandidates/token=<YOUR_API_KEY>'

What this entails

A user will need an ArcGIS account and an API key scoped to access the Geocoding service.