feat: relation field and picker

web/src/views/__tests__/SchemaBuilderSave.spec.ts

@@ -70,6 +70,7 @@ const EVENTS_BODY = {
 			min: null,
 			max: 80,
 			options: [],
+			relation: null,
 		},
 		{
 			key: 'starts_on',
@@ -81,6 +82,7 @@ const EVENTS_BODY = {
 			min: '2026-01-01',
 			max: '2027-12-31',
 			options: [],
+			relation: null,
 		},
 		{
 			key: 'category',
@@ -92,6 +94,7 @@ const EVENTS_BODY = {
 			min: null,
 			max: null,
 			options: ['Talk', 'Workshop', 'Meetup'],
+			relation: null,
 		},
 	],
 }