Move In Progress ostrio-files changes to separate branch, and revert ostrio-files changes, so that:

- Export to CSV/TSV with custom fields works
- Attachments are not exported to disk
- It is possible to build arm64/s390x versions again.

Thanks to xet7 !

Related #3110

client/lib/utils.js

@@ -61,38 +61,30 @@ Utils = {
   },
   MAX_IMAGE_PIXEL: Meteor.settings.public.MAX_IMAGE_PIXEL,
   COMPRESS_RATIO: Meteor.settings.public.IMAGE_COMPRESS_RATIO,
-  processUploadedAttachment(card, fileObj, callbacks) {
-    if (!card) {
-      return onUploaded();
-    }
-    let settings = {
-      file: fileObj,
-      streams: 'dynamic',
-      chunkSize: 'dynamic',
-    };
-    settings.meta = {
-      uploading: true
-    };
-    if (card.isLinkedCard()) {
-      settings.meta.boardId = Cards.findOne(card.linkedId).boardId;
-      settings.meta.cardId = card.linkedId;
-    } else {
-      settings.meta.boardId = card.boardId;
-      settings.meta.swimlaneId = card.swimlaneId;
-      settings.meta.listId = card.listId;
-      settings.meta.cardId = card._id;
-    }
-    settings.meta.userId = Meteor.userId();
-    if (typeof callbacks === 'function') {
-      settings.onEnd = callbacks;
-    } else {
-      for (const key in callbacks) {
-        if (key.substring(0, 2) === 'on') {
-          settings[key] = callbacks[key];
-        }
+  processUploadedAttachment(card, fileObj, callback) {
+    const next = attachment => {
+      if (typeof callback === 'function') {
+        callback(attachment);
       }
+    };
+    if (!card) {
+      return next();
     }
-    Attachments.insert(settings);
+    const file = new FS.File(fileObj);
+    if (card.isLinkedCard()) {
+      file.boardId = Cards.findOne(card.linkedId).boardId;
+      file.cardId = card.linkedId;
+    } else {
+      file.boardId = card.boardId;
+      file.swimlaneId = card.swimlaneId;
+      file.listId = card.listId;
+      file.cardId = card._id;
+    }
+    file.userId = Meteor.userId();
+    if (file.original) {
+      file.original.name = fileObj.name;
+    }
+    return next(Attachments.insert(file));
   },
   shrinkImage(options) {
     // shrink image to certain size