fix: 修复 app-v3 uni.previewImage longPressActions 参数无效的问题

src/core/service/api/media/preview-image.js

+import {
+  onMethod,
+  invokeMethod
+} from '../../platform'
+
+const longPressActionsCallbackId = 'longPressActionsCallback'
+
+let longPressActions = {}
+
+onMethod(longPressActionsCallbackId, function (res) {
+  const errMsg = res.errMsg || ''
+  if (new RegExp('\\:\\s*fail').test(errMsg)) {
+    longPressActions.fail && longPressActions.fail(res)
+  } else {
+    longPressActions.success && longPressActions.success(res)
+  }
+  longPressActions.complete && longPressActions.complete(res)
+})
+
+export function previewImage (args = {}) {
+  longPressActions = args.longPressActions || {}
+  if (longPressActions.success || longPressActions.fail || longPressActions.complete) {
+    longPressActions.callbackId = longPressActionsCallbackId
+  }
+
+  return invokeMethod('previewImagePlus', args)
+}

src/platforms/app-plus/service/api/media/preview-image.js

@@ -6,7 +6,7 @@ import {
   publish
 } from '../../bridge'
 
-export function previewImage ({
+export function previewImagePlus ({
   current = 0,
   background = '#000000',
   indicator = 'number',