fix: 修复 textarea 组件同时使用 auto-height 和 no-border 属性时，no-border 属性不生效 (#448)

Author: dargoncc

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

@@ -220,7 +220,7 @@
 
   @include e(placeholder) {
     color: $-input-placeholder-color;
-    
+
     &.is-error {
       color: $-input-error-color;
     }
@@ -268,12 +268,6 @@
     }
   }
 
-  @include when(no-border) {
-    &::after {
-      display: none;
-    }
-  }
-
   @include when(auto-height) {
     &:not(.is-cell) {
       padding: 5px 0;
@@ -284,6 +278,12 @@
     }
   }
 
+  @include when(no-border) {
+    &::after {
+      display: none;
+    }
+  }
+
   @include when(cell) {
     display: flex;
     line-height: $-cell-line-height;
@@ -349,4 +349,4 @@
       font-size: $-textarea-icon-size-large;
     }
   }
-}
+}