Add support for flat JSON to filter-control (#5504)
Add support for flat JSON to filter-control (#5504)

* Add support for flat JSON to filter-control

Added helper function to get a value from a nested object by a flat json path.

* Fix variable name in getObjectValueByString

* Use existing function from global Utils
Also removed custom function doing the same thing in filter-control.

* Fix code style in utils.js

Co-authored-by: ch1lln <4b365cc5e862c5baeb2361e317dd42acccd8bb07@abwesend.de>
wenzhixin/bootstrap-table,wenzhixin/bootstrap-table,wenzhixin/bootstrap-table