fix: 修复部分小程序平台 map 组件事件中无法正确获取 markerId 的问题

src/core/runtime/wrapper/util.js

@@ -291,6 +291,10 @@ function wrapper (event) {
     event.detail = {}
   }
 
+  if (!('markerId' in event.detail) && 'markerId' in event) {
+    event.detail.markerId = event.markerId
+  }
+
   if (__PLATFORM__ === 'mp-baidu') { // mp-baidu，checked=>value
     if (
       isPlainObject(event.detail) &&

src/platforms/mp-alipay/runtime/wrapper/util.js

 import {
   isFn,
   cached,
-  camelize
+  camelize,
+  hasOwn
 } from 'uni-shared'
 
 import {
@@ -58,6 +59,12 @@ export function initSpecialMethods (mpInstance) {
     specialMethods.forEach(method => {
       if (isFn(mpInstance.$vm[method])) {
         mpInstance[method] = function (event) {
+          if (!hasOwn(event, 'detail')) {
+            event.detail = {}
+          }
+          if (!('markerId' in event.detail) && 'markerId' in event) {
+            event.detail.markerId = event.markerId
+          }
           // TODO normalizeEvent
           mpInstance.$vm[method](event)
         }