Survey: Ordered field

In survey, you can add a ordered field that display checkbox for each option:

• option 1
• option 2
• option 3
• option 4

As it is now, when toggle "mandatory", you need to give an order for each option. What we want: order at least 3 out of 4 items. This "3" should be configurable, and "mandatory" should means by default "all the options".

TODO

• Admin side: error in help text if the number of mandatory options does not match the number of options.
• Admin side: helper text: What is this order field for. "Specified the minimum number of items to prioritize". If left empty, all items are mandatory.
• Client side: error message "please order at least X items".

Validation:

• export of the survey
• view answer admin side
• form with 10 options, 3min.