fix: 🐛 修复Button初始化margin的问题 (#831)

Author: 810505339

src/uni_modules/wot-design-uni/components/wd-button/index.scss

@@ -41,6 +41,8 @@
 }
 
 @include b(button) {
+  margin-left: initial;
+  margin-right: initial;
   position: relative;
   display: inline-block;
   outline: none;
@@ -331,4 +333,4 @@
   to {
     transform: rotate(360deg);
   }
-}
+}