feat: Clear new tag input after successful addition in TagManager

Author: chenghh-9609

frontend/src/components/TagManagement.tsx

@@ -128,6 +128,7 @@ const TagManager: React.FC = ({
         name: tag,
       });
       fetchTags();
+      setNewTag("");
       message.success("标签添加成功");
     } catch (error) {
       message.error("添加标签失败");

frontend/src/pages/DataCleansing/Create/components/CreateTaskStepOne.tsx

@@ -1,19 +1,14 @@
 import RadioCard from "@/components/RadioCard";
 import { queryDatasetsUsingGet } from "@/pages/DataManagement/dataset.api";
-import {
-  datasetTypeMap,
-  datasetTypes,
-  mapDataset,
-} from "@/pages/DataManagement/dataset.const";
+import { datasetTypes, mapDataset } from "@/pages/DataManagement/dataset.const";
 import {
   Dataset,
   DatasetSubType,
   DatasetType,
 } from "@/pages/DataManagement/dataset.model";
 import { Input, Select, Form } from "antd";
 import TextArea from "antd/es/input/TextArea";
-import { Database } from "lucide-react";
-import { useEffect, useMemo, useState } from "react";
+import { useEffect, useState } from "react";
 
 export default function CreateTaskStepOne({
   form,