Continuing with some UX problems our PMs complain about:
2) When a field is not 100% visible in a view, and you try to edit it (multi-select field in this case) - instead of selecting an option, the dialog moves to the right and we need to check it again:
Before clicking on one of the options:

After clicking on one of the options:

3) After I click an option (again) and it is selected, if I now use "Enter" to close the dialog, it actually unselects the option:
Selecting an option:

Clicking on "Enter" to close, unselects option:

Is there an option not to have "Enter" as select (and only have space as select)?