Manage teardown of route tool in Toolbox too, for consistency

src/lib/draw/Toolbox.svelte

@@ -17,11 +17,10 @@
   export let routeUrl: string;
   export let planningMode: boolean;
   // Plumbed up from RouteMode, so we can pass it down to GeometryMode
-  // TODO Reconsider
+  // TODO Create this here too?
   let routeTool: RouteTool;
 
   // Create and manage these here, then pass down to modes as needed.
-  // TODO Teardown too
   let pointTool = new PointTool($map);
   let polygonTool = new PolygonTool($map);
 
@@ -60,6 +59,7 @@
   onDestroy(() => {
     pointTool?.tearDown();
     polygonTool?.tearDown();
+    routeTool?.tearDown();
   });
 </script>
 

src/lib/draw/route/RouteMode.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
   import type { Mode } from "../types";
-  import { onMount, onDestroy } from "svelte";
+  import { onMount } from "svelte";
   import init from "route-snapper";
   import { fetchWithProgress } from "route-snapper/lib.js";
   import { RouteTool } from "./route_tool";
@@ -63,10 +63,6 @@
       }
     });
   });
-
-  onDestroy(() => {
-    routeTool?.tearDown();
-  });
 </script>
 
 {#if !routeTool}