feat(knowledgeBase): add media dataset support and improve file handling

- Add media dataset translations in English and Chinese locales
- Add "mediaDataSet" and "uploadMedia" i18n keys for UI labels
- Enable media dataset creation option in Private component by uncommenting menu item
- Import and display image icon for media dataset menu option
- Refactor file ID handling in CreateDataset to support both string and array types
- Improve fileIds initialization logic to handle mixed input types
- Update CreateImageDataset component to use file chunking workflow
- Add navigation to parameter settings step after file upload
- Pass file IDs to dataset creation flow for media processing
- Add message API and navigate hook for improved UX feedback

web/src/i18n/en.ts

@@ -501,6 +501,7 @@ export const en = {
       createImport: 'Create/Import',
       textDataSet: 'Text Dataset',
       imageDataSet: 'Image Dataset',
+      mediaDataSet: 'Media Dataset',
       blankDataset: 'Blank Dataset',
       customTextDataset: 'Custom Text Dataset',
       text: 'Text',
@@ -577,6 +578,7 @@ export const en = {
       datasetName: 'Dataset Name',
       pleaseEnterDatasetName: 'Please enter dataset name',
       uploadImages: 'Upload Images',
+      uploadMedia: 'Upload Media files',
       pleaseUploadImages: 'Please upload images',
       embedding_id: 'Embedding',
       llm_id: 'LLM',

web/src/i18n/zh.ts

@@ -125,6 +125,7 @@ export const zh = {
       createImport: '新建/导入',
       textDataSet: '文本数据集',
       imageDataSet: '图片数据集',
+      mediaDataSet: '媒体数据集',
       blankDataset: '空白数据集',
       emptyDataSet: '空白数据集',
       customTextDataset: '自定义文本数据集',
@@ -201,6 +202,7 @@ export const zh = {
       datasetName: '数据集名称',
       pleaseEnterDatasetName: '请输入数据集名称',
       uploadImages: '上传图片',
+      uploadMedia: '上传媒体文件',
       pleaseUploadImages: '请上传图片',
       embedding_id: '嵌入模型',
       llm_id: '大语言模型',