#82223 removed fields from index pattern saved objects. However, there are lots of places in kibana/src that still access attributes.fields. Accessing fields via attributes.fields is now broken and uses need to switch to using index pattern service instead of accessing index pattern saved object fields directly.

• Maps index pattern select [maps] index pattern select does not list index patterns. #84353
• Threshold and Containment Alerts Threshold and Containment Alerts no longer retrieving indexes with geo fields #84355
• Lens - [Lens] All fields shown as empty as long as scripted fields exist #84194 [Lens] Fields shown as empty in some cases #84325
• Timelion - [Timelion] Timelion reads raw field list from saved object, should grab from index pattern api #84387 - cleanup task, code works fine
• Reporting - [reporting] formatters are loaded from index pattern saved object, should be loaded via index patterns service #84388 - cleanup task, code works fine - in progress [Reporting-CSV Export] Re-write CSV Export using SearchSource #88303
• Visualizations - [visualizations] get index pattern via service instead of saved object #84458
• data / ui / query_string_input - Query string input - load index patterns instead of saved objects #84457
• remove field cache from sample data index-pattern saved objects - Remove unscripted fields from sample data index-pattern saved objects #84659