[#6459][Followup] fix(test): add default sleep for DataItemInList (#6567

)

### What changes were proposed in this pull request?
Fix ci issue by default sleep

### Why are the changes needed?
Need a sleep time for render latest data
Only verifyShowDataItemInList and verifyNoDataItemInList

Fix: #6459 

### Does this PR introduce _any_ user-facing change?
N/A

### How was this patch tested?
repeat run ci test case

web/integration-test/src/test/java/org/apache/gravitino/integration/test/web/ui/pages/CatalogsPage.java

@@ -704,6 +704,11 @@ public boolean verifyShowPropertiesItemInList(
   }
 
   public boolean verifyShowDataItemInList(String itemName, Boolean isColumnLevel) {
+    try {
+      Thread.sleep(ACTION_SLEEP * 1000);
+    } catch (Exception e) {
+      LOG.error(e.getMessage(), e);
+    }
     WebDriverWait wait = new WebDriverWait(driver, ACTION_SLEEP);
     String xpath =
         "//div[@data-refer='table-grid']"
@@ -729,6 +734,11 @@ public boolean verifyShowDataItemInList(String itemName, Boolean isColumnLevel)
   }
 
   public boolean verifyNoDataItemInList(String itemName, Boolean isColumnLevel) {
+    try {
+      Thread.sleep(ACTION_SLEEP * 1000);
+    } catch (Exception e) {
+      LOG.error(e.getMessage(), e);
+    }
     String xpath =
         "//div[@data-refer='table-grid']"
             + "//div[contains(@class, 'MuiDataGrid-main')]"