enhance(frontend): TLの返信表示オプションを記憶するように

Resolve #12016

packages/frontend/src/pages/timeline.vue

@@ -62,11 +62,15 @@ let queue = $ref(0);
 let srcWhenNotSignin = $ref(isLocalTimelineAvailable ? 'local' : 'global');
 const src = $computed({ get: () => ($i ? defaultStore.reactiveState.tl.value.src : srcWhenNotSignin), set: (x) => saveSrc(x) });
 const withRenotes = $ref(true);
-const withReplies = $ref(false);
+const withReplies = $ref($i ? defaultStore.state.tlWithReplies : false);
 const onlyFiles = $ref(false);
 
 watch($$(src), () => queue = 0);
 
+watch($$(withReplies), (x) => {
+	if ($i) defaultStore.set('tlWithReplies', x);
+});
+
 function queueUpdated(q: number): void {
 	queue = q;
 }