fix the ratio task config (#224)

* fix: fix the dataset card icon

* fix: fix the dataset file tag distribution and ratio task

* refactor: change dateRange config from latest to start-end

backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/converter/DatasetConverter.java

@@ -78,7 +78,7 @@ public interface DatasetConverter {
         for (DatasetFile datasetFile : datasetFiles) {
             List<FileTag> tags = datasetFile.analyzeTag();
             if (CollectionUtils.isEmpty(tags)) {
-                return distribution;
+                continue;
             }
             for (FileTag tag : tags) {
                 Map<String, Long> tagValueMap = distribution.getOrDefault(tag.getFromName(), new HashMap<>());