Merge pull request #3714 from nichwall/zip_download_speedup

Change: no compression when downloading library item as zip file

server/utils/zipHelpers.js

@@ -7,7 +7,7 @@ module.exports.zipDirectoryPipe = (path, filename, res) => {
     res.attachment(filename)
 
     const archive = archiver('zip', {
-      zlib: { level: 9 } // Sets the compression level.
+      zlib: { level: 0 } // Sets the compression level.
     })
 
     // listen for all archive data to be written
@@ -49,4 +49,4 @@ module.exports.zipDirectoryPipe = (path, filename, res) => {
 
     archive.finalize()
   })
-}
+}