fix: tolerate unnamed refs providers

Author: beyang

src/environment/providers/location.ts

@@ -92,7 +92,7 @@ export function getLocationsWithProviderName<
                 providersWithName.map(async ({ provider, name }) => {
                     const providerRes = await provider(params).toPromise()
                     return flattenAndCompactNonNull([providerRes]).map(loc => ({
-                        providerName: name,
+                        providerName: name || '(Unnamed)',
                         location: loc,
                     }))
                 })