- Fix drag in lists view - Set fixed width for swimlane header
- Fix drag in lists view
- Set fixed width for swimlane header

Thanks to andresmanelli !

Closes #1553, closes #1546

wekan/wekan,johnleeming/wekan,libreboard/libreboard,wekan/wekan,johnleeming/wekan,johnleeming/wekan,GhassenRjab/wekan,libreboard/libreboard,GhassenRjab/wekan,wekan/wekan,wekan/wekan,GhassenRjab/wekan,johnleeming/wekan,wekan/wekan