Update - auto update card cover with new image uploaded via drag&drop

client/components/cards/attachments.js

@@ -113,7 +113,12 @@ Template.previewClipboardImagePopup.events({
       file.boardId = card.boardId;
       file.cardId = card._id;
       file.userId = Meteor.userId();
-      Attachments.insert(file);
+      const attachment = Attachments.insert(file);
+
+      if (attachment && attachment._id && attachment.isImage()) {
+        card.setCover(attachment._id);
+      }
+
       pastedResults = null;
       $(document.body).pasteImageReader(() => {});
       Popup.close();