Fix notices when rendering advanced search as contributions

Ensure contributionSummary is assigned to the template and
check if it is empty

CRM/Contact/Form/Search.php

@@ -193,7 +193,7 @@ class CRM_Contact_Form_Search extends CRM_Core_Form_Search {
     return (bool) $searchContext;
   }
 
-  public static function setModeValues() {
+  public static function setModeValues(): void {
     self::$_modeValues = [
       CRM_Contact_BAO_Query::MODE_CONTACTS => [
         'selectorName' => self::$_selectorName,
@@ -214,6 +214,7 @@ class CRM_Contact_Form_Search extends CRM_Core_Form_Search {
         'resultContext' => 'Search',
         'taskClassName' => 'CRM_Contribute_Task',
         'component' => 'CiviContribute',
+        'contributionSummary' => [],
       ],
       CRM_Contact_BAO_Query::MODE_EVENT => [
         'selectorName' => 'CRM_Event_Selector_Search',

templates/CRM/Contribute/Page/ContributionTotals.tpl

@@ -8,7 +8,7 @@
  +--------------------------------------------------------------------+
 *}
 {*Table displays contribution totals for a contact or search result-set *}
-{if !empty($annual.count) OR $contributionSummary.total.count OR $contributionSummary.cancel.count OR $contributionSummary.soft_credit.count}
+{if !empty($annual.count) OR (!empty($contributionSummary) AND ($contributionSummary.total.count OR $contributionSummary.cancel.count OR $contributionSummary.soft_credit.count))}
     <table class="form-layout-compressed">
 
     {if !empty($annual.count)}