fix: also convert simulation poll and group attr

src/publicodes-state/helpers/migrateSimulation.ts

@@ -2,7 +2,7 @@ import { Migration, migrateSituation } from '@publicodes/tools/migration'
 import { Simulation } from '../types'
 
 export function migrateSimulation(
-  simulation: Simulation,
+  simulation: Simulation & { group?: string; poll?: string },
   migrationInstructions: Migration
 ): Simulation {
   simulation.situation = migrateSituation(
@@ -21,5 +21,15 @@ export function migrateSimulation(
     )
   )
 
+  // If group or poll is defined, we convert it to groups or polls and delete it
+  if (simulation.group) {
+    simulation.groups = [simulation.group]
+    delete simulation.group
+  }
+  if (simulation.poll) {
+    simulation.polls = [simulation.poll]
+    delete simulation.poll
+  }
+
   return simulation
 }