fix(router): skip view transition on query-only navigation

The root fade overlapped smooth scrolls triggered when stackedNotes
mutated, making the scroll appear to start from the snapshot's frame
instead of the user's actual position.

src/router/router.ts

@@ -95,8 +95,9 @@ export const router = createRouter({
   routes
 })
 
-router.beforeEach(() => {
+router.beforeEach((to, from) => {
   if (!("startViewTransition" in document)) return
+  if (to.path === from.path) return
   return new Promise<void>((resolve) => {
     ;(
       document as Document & {