Feature: Add support for `nested` object mapping

Issue Type:

Enhancement

Platform:

ReactiveSearch for Web

Description:

ReactiveSearch today doesn't support querying the fields of an object field with a nested mapping.

A nested object requires a different query (where a path for the nested field needs to be specified) along with the original query. The same applies to an aggregation.

This issue proposes to add a nestedField prop in all the data-driven components we have to support the use-case of a nested object.

Prop definition for the field looks like:

nestedField String [optional]
When your dataField is present inside an object of type nested, this can be used to set the path of the nested field. Setting this allows searching within documents belonging to the path.

Reactivesearch version: x.y.z

2.12.1

Components to support this in:

• MultiDropdownList
• SingleDropdownList
• MultiList
• SingleList
• SingleRange
• MultiRange
• SingleDropdownRange
• MultiDropdownRange
• DataSearch
• CategorySearch
• TextField
• ToggleButton
• TagCloud
• SingleDataList
• MultiDataList
• RangeSlider
• DynamicRangeSlider
• RangeInput
• NumberBox
• DatePicker
• DateRange
• RatingsFilter
• GeoDistanceSlider
• GeoDistanceDropdown