fix(permissions_v2): add membership fields migration (#9199)

# Which Problems Are Solved

Memberships did not have a fields table fill migration.

# How the Problems Are Solved

Add filling of membership fields to the repeatable steps.

# Additional Changes

- Use the same repeatable step for multiple fill fields handlers.
- Fix an error for PostgreSQL 15 where a subquery in a `FROM` clause
needs an alias ing the `permitted_orgs` function.

# Additional Context

- Part of https://github.com/zitadel/zitadel/issues/9188
- Introduced in https://github.com/zitadel/zitadel/pull/9152

internal/query/projection/eventstore_field.go

@@ -12,6 +12,7 @@ const (
 	fieldsProjectGrant      = "project_grant_fields"
 	fieldsOrgDomainVerified = "org_domain_verified_fields"
 	fieldsInstanceDomain    = "instance_domain_fields"
+	fieldsMemberships       = "membership_fields"
 )
 
 func newFillProjectGrantFields(config handler.Config) *handler.FieldHandler {
@@ -52,3 +53,33 @@ func newFillInstanceDomainFields(config handler.Config) *handler.FieldHandler {
 		},
 	)
 }
+
+func newFillMembershipFields(config handler.Config) *handler.FieldHandler {
+	return handler.NewFieldHandler(
+		&config,
+		fieldsMemberships,
+		map[eventstore.AggregateType][]eventstore.EventType{
+			instance.AggregateType: {
+				instance.MemberAddedEventType,
+				instance.MemberChangedEventType,
+				instance.MemberRemovedEventType,
+				instance.MemberCascadeRemovedEventType,
+				instance.InstanceRemovedEventType,
+			},
+			org.AggregateType: {
+				org.MemberAddedEventType,
+				org.MemberChangedEventType,
+				org.MemberRemovedEventType,
+				org.MemberCascadeRemovedEventType,
+				org.OrgRemovedEventType,
+			},
+			project.AggregateType: {
+				project.MemberAddedEventType,
+				project.MemberChangedEventType,
+				project.MemberRemovedEventType,
+				project.MemberCascadeRemovedEventType,
+				project.ProjectRemovedType,
+			},
+		},
+	)
+}