fix: wrap setState in transition

Author: brenelz

packages/router-core/src/router.ts

@@ -2288,10 +2288,14 @@ export class RouterCore<
           : ''
 
     if (matchesKey) {
-      this.__store.setState((s) => ({
-        ...s,
-        [matchesKey]: s[matchesKey]?.map((d) => (d.id === id ? updater(d) : d)),
-      }))
+      this.startTransition(() => {
+        this.__store.setState((s) => ({
+          ...s,
+          [matchesKey]: s[matchesKey]?.map((d) =>
+            d.id === id ? updater(d) : d,
+          ),
+        }))
+      })
     }
   }