絵文字ピッカーを強化 + 絵文字ピッカーをリアクションピッカーとして使えるように

Resolve #5079
Resolve #3219

src/client/store.ts

@@ -76,6 +76,7 @@ export const defaultDeviceSettings = {
 	disablePagesScript: false,
 	enableInfiniteScroll: true,
 	useBlurEffectForModal: true,
+	useFullReactionPicker: false,
 	sidebarDisplay: 'full', // full, icon, hide
 	instanceTicker: 'remote', // none, remote, always
 	roomGraphicsQuality: 'medium',
@@ -182,6 +183,16 @@ export const store = createStore({
 				meta: null
 			},
 
+			getters: {
+				emojiCategories: state => {
+					const categories = new Set();
+					for (const emoji of state.meta.emojis) {
+						categories.add(emoji.category);
+					}
+					return Array.from(categories);
+				},
+			},
+
 			mutations: {
 				set(state, meta) {
 					state.meta = meta;