small things, usability: card view and board view syncing

[cloud2018]

tested with deck 0.3.0, NC 13.0.0 RC 1

1. Autosave lets disappear assigned user in card view

Steps to reproduce
1.1. Assign a user -> the user is shown in board view and card view correctly:

1.2. Edit description, wait till autosave

Actual behaviour
The assigned user is not shown in card view (only in board view):

Workaround
Just close and reopen card view -> the assigned user is displayed correctly in card view

2. Due date lets disappear assigned user in card view and board view

Steps to reproduce
2.1. Assign a user -> the user is shown in board view and card view correctly
2.2 chose due date:

Actual behaviour
After setting the due date the assigned user is whether shown in board view and card view:

Workaround
Close and reopen (just close is not enough) the card view -> in board view the assigned user is displayed correctly

Note

When adding or deleting tags, the card view and board view sync immediately like expected