fix: improve performance by reducing full table scans (#4684)

* use instance id on update in projections

* create index on domain in instance_domain projection

* add missing instanceID filter to app queries

internal/query/projection/user_test.go

@@ -1618,7 +1618,7 @@ func TestUserProjection_reduces(t *testing.T) {
 			},
 		},
 		{
-			name: "instance.reduceInstanceRemoved",
+			name: "instance reduceInstanceRemoved",
 			args: args{
 				event: getEvent(testEvent(
 					repository.EventType(instance.InstanceRemovedEventType),