MNT-22138: Document Filed to RM File Plan under categories with cut off retention schedule no longer accessible to non admin users in collab site

- Fixed access denied issue by running code as system.

rm-community/rm-community-repo/source/java/org/alfresco/module/org_alfresco_module_rm/jscript/app/JSONConversionComponent.java

@@ -510,10 +510,13 @@ public class JSONConversionComponent extends    org.alfresco.repo.jscript.app.JS
         // Set the indicators array
         setIndicators(rmNodeValues, nodeRef);
 
+        AuthenticationUtil.runAsSystem(new RunAsWork<Void>() {
+            @Override
+            public Void doWork() {
+
                 // Set the actions array
                 setActions(rmNodeValues, nodeRef);
                 
-
                 //Add details of the next incomplete event in the disposition schedule
                 if (dispositionService.getNextDispositionAction(nodeRef) != null)
                 {
@@ -529,6 +532,9 @@ public class JSONConversionComponent extends    org.alfresco.repo.jscript.app.JS
                         }
                     }
                 }
+                return null;
+            }
+        });
 
         return rmNodeValues;
     }