feat: add relation column type (multiple) #2952

Is your feature request related to a problem? Please describe.

in feature - add relation column type - #2248, the relation to a table/view column was introduced, but only one relation (value) can be chosen, multiple values are not possible

Describe the solution you'd like

in the column options of an relation type column there should be the option to allow multiple values or a single value to pick from

Describe alternatives you've considered

No response

Additional context

No response