Changes to Add Widget

request property widget_type was restricted to a list of enum values

added the new optional request property config

added the new optional request property footer

added the new optional request property subtitle

added the new optional request property title

added the new optional request property widget_kind

the request property position_config became optional

the request property report_id became optional

added the new bar enum value to the request property widget_type

added the new combi enum value to the request property widget_type

added the new donut enum value to the request property widget_type

added the new funnel enum value to the request property widget_type

added the new gauge enum value to the request property widget_type

added the new line enum value to the request property widget_type

added the new metric enum value to the request property widget_type

added the new pie enum value to the request property widget_type

added the new scatter enum value to the request property widget_type

added the new table enum value to the request property widget_type

added the new text enum value to the request property widget_type

added the new treemap enum value to the request property widget_type

added the new waterfall enum value to the request property widget_type

request property report_id list-of-types was widened by adding types null to media type application/json