dev/core#2739 - Fix contribution tasks using wrong IDs

This fixes an issue where contribution tasks may perform actions
on unrelated contribution IDs when they're called via contact
search forms.

CRM/Contribute/Form/Task/TaskTrait.php

@@ -114,7 +114,9 @@ public function getIDs() {
    * @throws \CRM_Core_Exception
    */
   protected function calculateIDS() {
-    if ($this->controller->get('id')) {
+    // contact search forms use the id property to store the selected uf_group_id
+    // rather than entity (contribution) IDs, so don't use the property in that case
+    if (!$this->controller instanceof CRM_Contact_Controller_Search && $this->controller->get('id')) {
       return explode(',', $this->controller->get('id'));
     }
     $ids = $this->getSelectedIDs($this->getSearchFormValues());