More robust id handling in imports and rte delete.

src/workers/dispatcher-worker.ts

@@ -13,7 +13,7 @@ import {
   getAllGpxesWithSummary,
 } from '../db/gpx';
 import { putOverlays } from '../db/overlays';
-import { putRte } from '../db/rte';
+import { deleteRte, putRte } from '../db/rte';
 import { putRtept } from '../db/rtept';
 import { getSettings, putSettings } from '../db/settings';
 import { getState, setState } from '../db/state';
@@ -56,6 +56,7 @@ onmessage = async function (e) {
     putTrkpt,
 
     deleteTrk,
+    deleteRte,
 
     getState,
     setState,