ref(crons): Use dateAdded over dateCreated

Requires #91665 to be merged
first

Author: evanpurkhiser

static/app/views/insights/crons/components/monitorCheckIns.tsx

@@ -121,14 +121,14 @@ export function MonitorCheckIns({monitor, monitorEnvs}: Props) {
                       disabled={!customTimezone}
                       title={
                         <DateTime
-                          date={checkIn.dateCreated}
+                          date={checkIn.dateAdded}
                           forcedTimezone={monitor.config.timezone ?? 'UTC'}
                           timeZone
                           seconds
                         />
                       }
                     >
-                      <DateTime date={checkIn.dateCreated} timeZone seconds />
+                      <DateTime date={checkIn.dateAdded} timeZone seconds />
                     </Tooltip>
                   </div>
                 )}

static/app/views/insights/crons/types.tsx

@@ -142,9 +142,9 @@ export interface MonitorStat {
 
 export interface CheckIn {
   /**
-   * Date the opening check-in was sent
+   * Date the opening check-in was received.
    */
-  dateCreated: string;
+  dateAdded: string;
   /**
    * Duration (in milliseconds)
    */

tests/js/fixtures/checkIn.ts

@@ -6,7 +6,7 @@ export function CheckInFixture(params: Partial<CheckIn> = {}): CheckIn {
     status: CheckInStatus.ERROR,
     duration: 767,
     environment: 'production',
-    dateCreated: '2025-01-01T00:00:00Z',
+    dateAdded: '2025-01-01T00:00:00Z',
     expectedTime: '2025-01-01T00:00:00Z',
     id: '97f0e440-317c-5bb5-b5e0-024ca202a61d',
     monitorConfig: {