feat: 更新上下文菜单拖拽功能，重命名位置变量以提高代码可读性

src/components/context-menu/context-menu.vue

@@ -69,7 +69,11 @@ const emit = defineEmits<Emits>();
 const menuRef = ref<HTMLElement | null>(null);
 const handleRef = ref<HTMLElement | null>(null);
 
-const { x, y, style } = useDraggable(menuRef, {
+const {
+  x: positionX,
+  y: positionY,
+  style,
+} = useDraggable(menuRef, {
   handle: handleRef,
 });
 
@@ -77,8 +81,8 @@ watch(
   () => props.visible,
   (isVisible) => {
     if (isVisible) {
-      x.value = props.x;
-      y.value = props.y;
+      positionX.value = props.x;
+      positionY.value = props.y;
     }
   },
 );