revised engagement status type to an array

Author: Andre Turner

src/components/engagement/workflow/transitions/dynamic-step.ts

@@ -10,17 +10,17 @@ import { EngagementWorkflowRepository } from '../engagement-workflow.repository'
 export interface ResolveEngagementParams {
   engagement: Engagement;
   moduleRef: ModuleRef;
-  migrationPrevStep?: EngagementStatus;
+  migrationPrevSteps?: EngagementStatus[];
 }
 
 export const BackTo = (
   ...steps: EngagementStatus[]
 ): DynamicState<Step, ResolveEngagementParams> => ({
   description: 'Back',
   relatedStates: steps,
-  async resolve({ engagement, moduleRef, migrationPrevStep }) {
-    if (migrationPrevStep) {
-      return migrationPrevStep;
+  async resolve({ engagement, moduleRef, migrationPrevSteps }) {
+    if (migrationPrevSteps) {
+      return migrationPrevSteps.find((s) => steps.includes(s)) ?? steps[0];
     }
     const repo = moduleRef.get(EngagementWorkflowRepository);
     const found = await repo.mostRecentStep(engagement.id, steps);