fix:修复action-sheet中大小超出的问题 (#692)

Author: 二一

dist/action-sheet/index.wxss

@@ -1 +1 @@
-.l-action-sheet{background:#f7f7f7}.l-item-button{height:88rpx;line-height:88rpx;text-align:center;background:#fff;border-bottom:2rpx solid #f3f3f3;font-size:28rpx;color:#45526b;display:flex;align-items:center;justify-content:center;width:100%}.l-cancel{margin-top:12rpx}.l-cancel-x .l-item-button{padding-bottom:44rpx}.l-image-button>text{margin-left:20rpx}.list-hover{opacity:.8}
+.l-action-sheet{background:#f7f7f7}.l-item-button{height:88rpx;line-height:88rpx;text-align:center;background:#fff;border-bottom:2rpx solid #f3f3f3;font-size:28rpx;color:#45526b;display:flex;align-items:center;justify-content:center;width:100%;overflow:hidden}.l-cancel{margin-top:12rpx}.l-cancel-x .l-item-button{padding-bottom:44rpx}.l-image-button>text{margin-left:20rpx}.list-hover{opacity:.8}

examples/dist/action-sheet/index.wxss

@@ -1 +1 @@
-.l-action-sheet{background:#f7f7f7}.l-item-button{height:88rpx;line-height:88rpx;text-align:center;background:#fff;border-bottom:2rpx solid #f3f3f3;font-size:28rpx;color:#45526b;display:flex;align-items:center;justify-content:center;width:100%}.l-cancel{margin-top:12rpx}.l-cancel-x .l-item-button{padding-bottom:44rpx}.l-image-button>text{margin-left:20rpx}.list-hover{opacity:.8}
+.l-action-sheet{background:#f7f7f7}.l-item-button{height:88rpx;line-height:88rpx;text-align:center;background:#fff;border-bottom:2rpx solid #f3f3f3;font-size:28rpx;color:#45526b;display:flex;align-items:center;justify-content:center;width:100%;overflow:hidden}.l-cancel{margin-top:12rpx}.l-cancel-x .l-item-button{padding-bottom:44rpx}.l-image-button>text{margin-left:20rpx}.list-hover{opacity:.8}

examples/pages/components/response/pages/action-sheet/index.js

@@ -6,17 +6,20 @@ Page({
    */
   data: {
     show:false,
-    shareList: [{
-        name: '保存海报分享',
-        image:'/images/response/picture.png', 
-        imageStyle:'width:40rpx;height:40rpx;',
-        color:'#3683D6'    
-      },
+    shareList: [
       {
         name: '转发给好友',
         icon: 'share',
+        iconSize: '26',
         color:'#F4516C'
-      }
+      },
+      {
+        name: '保存海报分享',
+        image: '/images/response/picture.png',
+
+        imageStyle: 'width:40rpx;height:40rpx;',
+        color: '#3683D6'
+      },
     ],
 
     itemList: [{

src/action-sheet/index.less

@@ -14,6 +14,7 @@
   align-items: center;
   justify-content: center;
   width: 100%;
+  overflow: hidden;
 }
 
 .l-cancel {