fix: 数据集编辑时，不支持修改连接方式

frontend/src/views/dataset/add/AddSQL.vue

@@ -30,7 +30,7 @@
           <el-form-item class="form-item">
             <el-input v-model="name" size="mini" :placeholder="$t('commons.name')" />
           </el-form-item>
-          <el-form-item class="form-item">
+          <el-form-item v-if="!param.tableId" class="form-item">
             <el-select v-model="mode" filterable :placeholder="$t('dataset.connect_mode')" size="mini">
               <el-option :label="$t('dataset.direct_connect')" value="0" />
               <el-option :label="$t('dataset.sync_data')" value="1" :disabled="!kettleRunning" />