Move Library BibTeX export to a server-side endpoint (#36604)

* Move bulk bibtex download to a server-side streaming endpoint

* Wrap download fetch errors in FetchError and parse the error body

* Refactor library references download to use GET request and stream response

* Remove MAX_DOWNLOAD_IDS limit from downloadIdsSchema and related test

* fix merge conflict

GitOrigin-RevId: dee2bae8bfb982cd1b79bbd21c9f1b90e8cff1a4

services/web/frontend/js/utils/download-file.ts

@@ -1,11 +1,19 @@
 export function downloadFileContent(content: string, filename: string) {
   const blob = new Blob([content], { type: 'application/octet-stream' })
   const url = URL.createObjectURL(blob)
+  clickDownloadLink(url, filename)
+  setTimeout(() => URL.revokeObjectURL(url), 0)
+}
+
+export function downloadFileFromUrl(url: string, filename: string) {
+  clickDownloadLink(url, filename)
+}
+
+function clickDownloadLink(url: string, filename: string) {
   const link = document.createElement('a')
   link.href = url
   link.download = filename
   document.body.appendChild(link)
   link.click()
   document.body.removeChild(link)
-  setTimeout(() => URL.revokeObjectURL(url), 0)
 }