Fix FastAPI doc pages.

We can't directly use frozen dataclasses from pydcs in our interface
because pydantic can't process them. Pydantic is able to automatically
convert to our modelview type from the pydcs type though.

game/server/waypoints/routes.py

@@ -8,6 +8,7 @@ from game import Game
 from game.ato.flightwaypoint import FlightWaypoint
 from game.ato.flightwaypointtype import FlightWaypointType
 from game.server import GameContext
+from game.server.leaflet import LeafletPoint
 from game.server.waypoints.models import FlightWaypointJs
 from game.utils import meters
 
@@ -37,7 +38,7 @@ def all_waypoints_for_flight(
 def set_position(
     flight_id: UUID,
     waypoint_idx: int,
-    position: LatLng,
+    position: LeafletPoint,
     game: Game = Depends(GameContext.get),
 ) -> None:
     flight = game.db.flights.get(flight_id)
@@ -45,7 +46,9 @@ def set_position(
         raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)
 
     waypoint = flight.flight_plan.waypoints[waypoint_idx - 1]
-    waypoint.position = Point.from_latlng(position, game.theater.terrain)
+    waypoint.position = Point.from_latlng(
+        LatLng(position.lat, position.lng), game.theater.terrain
+    )
     package_model = (
         GameContext.get_model()
         .ato_model_for(flight.blue)