119612: Check if a warning should be shown on changes to the total elements of the search, default to 500 if no value for the configuration property was returned

(cherry picked from commit e1b773c)

Author: Jens Vannerum

src/app/shared/search/search-export-csv/search-export-csv.component.ts

@@ -25,7 +25,7 @@ import { ConfigurationProperty } from '../../../core/shared/configuration-proper
 /**
  * Display a button to export the current search results as csv
  */
-export class SearchExportCsvComponent implements OnInit {
+export class SearchExportCsvComponent implements OnInit, OnChanges {
 
   /**
    * The current configuration of the search
@@ -71,16 +71,22 @@ export class SearchExportCsvComponent implements OnInit {
     this.shouldShowWarning$ = this.itemExceeds();
   }
 
+  ngOnChanges(changes: SimpleChanges): void {
+    if (changes.total) {
+      this.shouldShowWarning$ = this.itemExceeds();
+    }
+  }
+
   /**
    * Checks if the export limit has been exceeded and updates the tooltip accordingly
    */
   private itemExceeds(): Observable<boolean> {
-    return this.configurationService.findByPropertyName('metadataexport.max.items').pipe(
+    return this.configurationService.findByPropertyName('bulkedit.export.max.items').pipe(
       getFirstCompletedRemoteData(),
       map((response: RemoteData<ConfigurationProperty>) => {
-        const limit = Number(response.payload?.values?.[0]);
-        if (response.hasSucceeded && limit < this.total) {
-          this.exportLimitExceededMsg = this.translateService.instant(this.exportLimitExceededKey, { limit: response.payload?.values?.[0] });
+        const limit = Number(response.payload?.values?.[0]) || 500;
+        if (limit < this.total) {
+          this.exportLimitExceededMsg = this.translateService.instant(this.exportLimitExceededKey, { limit: String(limit) });
           return true;
         } else {
           return false;