* First approach by making a control
* Implement multi select for child tables
* Basic UI and items fetch in place
* Multiselect with checkboxes
* Functional modal with filters and new_doc
* Map filter fields to target_doc
* pass json arrays instead of strings
* Get items from quotation (in SO) working
* [minor] fix link route in list
* [minor] cleanup
* Add date, select first by default
* map_docs test, default date field
* [minor][fix] make new button bug
* [minor] move map_docs to erpnext
* [minor] format dates
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