Fix geo GraphQL schema mismatch: camelCase → snake_case

All geo .graphql operations and consuming code updated to match
server schema which uses snake_case field/argument names.
Removed non-existent QuoteCalculations query, using NearestOffers instead.

graphql/operations/public/geo/GetAutoRoute.graphql

@@ -1,6 +1,6 @@
 query GetAutoRoute($fromLat: Float!, $fromLon: Float!, $toLat: Float!, $toLon: Float!) {
-  autoRoute(fromLat: $fromLat, fromLon: $fromLon, toLat: $toLat, toLon: $toLon) {
-    distanceKm
+  auto_route(from_lat: $fromLat, from_lon: $fromLon, to_lat: $toLat, to_lon: $toLon) {
+    distance_km
     geometry
   }
 }