Update migration event name

Author: adamg-hmcts

src/main/java/uk/gov/hmcts/reform/migration/CaseMigrationProcessor.java

@@ -20,7 +20,7 @@
 @Slf4j
 @Component
 public class CaseMigrationProcessor {
-    private static final String EVENT_ID = "system-set-time-to-live";
+    private static final String EVENT_ID = "system-set-ttl";
     private static final String EVENT_SUMMARY = "Data Migration - Set retain and dispose time to live";
     private static final String EVENT_DESCRIPTION = "Data Migration - Set retain and dispose time to live";
     public static final String LOG_STRING = "-----------------------------------------";

src/main/java/uk/gov/hmcts/reform/migration/service/DataMigrationServiceImpl.java

@@ -22,7 +22,7 @@ public Map<String, Object> migrate(CaseDetails details) {
             return null;
         }
 
-        Map<String, String> ttlMap = new HashMap<>();
+        Map<String, Object> ttlMap = new HashMap<>();
         LocalDate deleteDate = details.getLastModified().plusMonths(6).toLocalDate();
         ttlMap.put("Suspended", "No");
         ttlMap.put("OverrideTTL", null);

src/test/java/uk/gov/hmcts/reform/migration/CaseMigrationProcessorTest.java

@@ -29,7 +29,7 @@
 public class CaseMigrationProcessorTest {
 
     private static final String USER_TOKEN = "Bearer eeeejjjttt";
-    private static final String EVENT_ID = "system-set-time-to-live";
+    private static final String EVENT_ID = "system-set-ttl";
     private static final String EVENT_SUMMARY = "Data Migration - Set retain and dispose time to live";
     private static final String EVENT_DESCRIPTION = "Data Migration - Set retain and dispose time to live";
     private static final String CASE_TYPE = "Test_Case_Type";