修复整理背包会重置背包格子BUG

src/views/backpack/grid.vue

@@ -62,9 +62,9 @@ const itemNum = computed(() => {
 });
 
 const neaten = () => {
-    const tem = new Array(backpack_num);
+    const tem = new Array(grid.value.length);
     let i = 0;
-    state.grid.forEach((item) => {
+    grid.value.forEach((item) => {
         if (item) {
             tem[i] = item
             i++;