Merge pull request #4337 from dataease/pr@dev@pages

fix: 修改数据源时，若没有做改动直接保存没法保存

backend/src/main/java/io/dataease/controller/datasource/DatasourceController.java

@@ -81,6 +81,9 @@ public class DatasourceController {
         datasource.setCreateTime(null);
         datasource.setType(updataDsRequest.getType());
         datasource.setUpdateTime(System.currentTimeMillis());
+        if (StringUtils.isNotEmpty(updataDsRequest.getId())) {
+            datasource.setId(updataDsRequest.getId());
+        }
         datasourceService.preCheckDs(datasource);
         if (StringUtils.isNotEmpty(updataDsRequest.getId())) {
             datasourceService.updateDatasource(updataDsRequest.getId(), datasource);