fix: textarea icon position error

Author: tangjinzhou

components/input/style/index.less

@@ -50,6 +50,13 @@
   visibility: hidden;
 }
 
+.@{ant-prefix}-input-affix-wrapper-textarea-with-clear-btn {
+  padding: 0 !important;
+  .@{ant-prefix}-input {
+    padding: @input-padding-vertical-base @input-padding-horizontal-base;
+  }
+}
+
 .@{ant-prefix}-input-textarea-clear-icon {
   .clear-icon();
   position: absolute;