細かい不備を修正

packages/frontend/src/components/MkEmojiPicker.vue

@@ -367,7 +367,7 @@ function chosen(emoji: any, ev?: MouseEvent) {
 	emit('chosen', key);
 
 	// 最近使った絵文字更新
-	if (!pinned.value.includes(key)) {
+	if (!pinned.value?.includes(key)) {
 		let recents = defaultStore.state.recentlyUsedEmojis;
 		recents = recents.filter((emoji: any) => emoji !== key);
 		recents.unshift(key);

packages/frontend/src/components/MkPostForm.vue

@@ -857,7 +857,9 @@ async function insertEmoji(ev: MouseEvent) {
 		},
 		() => {
 			textAreaReadOnly.value = false;
-			focus();
+			setTimeout(() => {
+				focus();
+			}, 10);
 		},
 	);
 }