fix: update the guiding text in the upload component (#23509)

web/i18n/en-US/app.ts

@@ -23,6 +23,10 @@ const translation = {
   importFromDSLFile: 'From DSL file',
   importFromDSLUrl: 'From URL',
   importFromDSLUrlPlaceholder: 'Paste DSL link here',
+  dslUploader: {
+    button: 'Drag and drop file, or',
+    browse: 'Browse',
+  },
   deleteAppConfirmTitle: 'Delete this app?',
   deleteAppConfirmContent:
     'Deleting the app is irreversible. Users will no longer be able to access your app, and all prompt configurations and logs will be permanently deleted.',

web/i18n/en-US/dataset-creation.ts

@@ -36,6 +36,7 @@ const translation = {
     uploader: {
       title: 'Upload file',
       button: 'Drag and drop file or folder, or',
+      buttonSingleFile: 'Drag and drop file, or',
       browse: 'Browse',
       tip: 'Supports {{supportTypes}}. Max {{size}}MB each.',
       validation: {