Fix engagement fields to be nullable types where applicable

Co-authored-by: Bryan Nelson <[email protected]>

Author: CarsonF

src/components/engagement/dto/engagement.dto.ts

@@ -14,10 +14,10 @@ import {
   Secured,
   SecuredBoolean,
   SecuredDateNullable,
-  SecuredDateTime,
+  SecuredDateTimeNullable,
   SecuredProps,
   SecuredRichTextNullable,
-  SecuredString,
+  SecuredStringNullable,
   Sensitivity,
   SensitivityField,
   UnsecuredDto,
@@ -117,17 +117,17 @@ class Engagement extends Interfaces {
 
   @Field()
   // Convert from date to datetime at migration
-  readonly lastSuspendedAt: SecuredDateTime;
+  readonly lastSuspendedAt: SecuredDateTimeNullable;
 
   @Field()
   // Convert from date to datetime at migration
-  readonly lastReactivatedAt: SecuredDateTime;
+  readonly lastReactivatedAt: SecuredDateTimeNullable;
 
   @Field({
     description: 'The last time the engagement status was modified',
   })
   // Convert from last terminated/completed at migration
-  readonly statusModifiedAt: SecuredDateTime;
+  readonly statusModifiedAt: SecuredDateTimeNullable;
 
   @DateTimeField()
   readonly modifiedAt: DateTime;
@@ -181,12 +181,12 @@ export class LanguageEngagement extends Engagement {
   readonly sentPrintingDate: SecuredDateNullable;
 
   @Field()
-  readonly paratextRegistryId: SecuredString;
+  readonly paratextRegistryId: SecuredStringNullable;
 
   readonly pnp: Secured<LinkTo<'File'> | null>;
 
   @Field()
-  readonly historicGoal: SecuredString;
+  readonly historicGoal: SecuredStringNullable;
 }
 
 @RegisterResource({ db: e.InternshipEngagement })