fix: 测试环境打包后多处一个zindex问题处理

src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue

@@ -152,6 +152,7 @@ const handleTextareaScroll = (e: Event) => {
     resize: vertical;
     white-space: pre-wrap;
     word-wrap: break-word;
+    z-index: inherit;
   }
   .textarea-highlight {
     @include textarea-style;