Switch to mgd files to define cg_extend_objects

managed/cg_extend_financialtrxn.mgd.php

+<?php
+
+use Civi\Api4\OptionValue;
+
+if (empty(OptionValue::get(FALSE)
+  ->addWhere('option_group_id:name', '=', 'cg_extend_objects')
+  ->addWhere('value', '=', 'FinancialTrxn')
+  ->execute()
+  ->first())) {
+  return [
+    [
+      'name' => 'cg_extend_objects:FinancialTrxn',
+      'entity' => 'OptionValue',
+      'cleanup' => 'unused',
+      'update' => 'unmodified',
+      'params' => [
+        'version' => 4,
+        'values' => [
+          'option_group_id.name' => 'cg_extend_objects',
+          'label' => ts('Financial Transaction (Payment)'),
+          'value' => 'FinancialTrxn',
+          'name' => 'civicrm_financial_trxn',
+          'is_reserved' => TRUE,
+          'is_active' => TRUE,
+        ],
+      ],
+      'match' => ['option_group_id', 'name'],
+    ],
+  ];
+}
\ No newline at end of file

managed/customdata.mgd.php

@@ -3,24 +3,6 @@ use CRM_Mjwshared_ExtensionUtil as E;
 
 // This enables custom fields for FinancialTrxn entities
 return [
-  [
-    'name' => 'cg_extend_objects:FinancialTrxn',
-    'entity' => 'OptionValue',
-    'cleanup' => 'unused',
-    'update' => 'unmodified',
-    'params' => [
-      'version' => 4,
-      'values' => [
-        'option_group_id.name' => 'cg_extend_objects',
-        'label' => E::ts('Financial Transaction (Payment)'),
-        'value' => 'FinancialTrxn',
-        'name' => 'civicrm_financial_trxn',
-        'is_reserved' => TRUE,
-        'is_active' => TRUE,
-      ],
-    ],
-    'match' => ['option_group_id', 'name'],
-  ],
   [
     'name' => 'CustomGroup_Payment_details',
     'entity' => 'CustomGroup',