fix(ui): ContextMenu component leaks native click event causing <Cont…

…extMenu @click="handleClick"> to receive pointer event as value at times - example, when you right click inside the open context menu item and click outside, the @click of ContextMenu receives pointer event as value

See: vuejs/core#2993 (comment)

packages/ui/src/components/ContextMenu.vue

@@ -61,6 +61,7 @@ function getContextMenuPostion(x, y, contextMenuElement, yOffset = 0, width = nu
 import { nextTick } from 'vue'
 
 export default {
+    emits: ['click', 'update:show'],
     props: {
         options: {
             type: Array,