file/image should create link

application/Espo/Core/Utils/Database/Orm/Converter.php

@@ -406,6 +406,10 @@ class Converter
         $relationships = array();
         foreach ($entityMeta['links'] as $linkName => $linkParams) {
 
+            if (isset($linkParams['skipOrmDefs']) && $linkParams['skipOrmDefs'] === true) {
+                continue;
+            }
+
             $convertedLink = $this->getRelationManager()->convert($linkName, $linkParams, $entityName, $ormMeta);
 
             if (isset($convertedLink)) {

application/Espo/Core/Utils/Database/Orm/Relations/Base.php

@@ -45,8 +45,7 @@ class Base extends \Espo\Core\Utils\Database\Orm\Base
         'conditions',
         'additionalColumns',
         'midKeys',
-        'noJoin',
-        'noIndex'
+        'noJoin'
     );
 
     protected function getParams()

application/Espo/Resources/metadata/fields/file.json

@@ -21,5 +21,10 @@
    "notActualFields":[
       "name"
    ],
-   "filter": false
+   "filter": false,
+   "linkDefs": {
+      "type": "belongsTo",
+      "entity": "Attachment",
+      "skipOrmDefs": true
+   }
 }

application/Espo/Resources/metadata/fields/image.json

@@ -22,5 +22,10 @@
    "notActualFields":[
       "name"
    ],
-   "filter": false
+   "filter": false,
+   "linkDefs": {
+      "type": "belongsTo",
+      "entity": "Attachment",
+      "skipOrmDefs": true
+   }
 }