perf: pinia中所有getters改为官方推荐写法，this改成state可自动推导类型 (#490)

Co-authored-by: 苗大 <caoshengmiao@hypergryph.com>

src/store/modules/app.ts

@@ -23,11 +23,11 @@ export const useAppStore = defineStore({
     sortSwap: false
   }),
   getters: {
-    getSidebarStatus() {
-      return this.sidebar.opened;
+    getSidebarStatus(state) {
+      return state.sidebar.opened;
     },
-    getDevice() {
-      return this.device;
+    getDevice(state) {
+      return state.device;
     }
   },
   actions: {