popsu_migrate: D7NodeTheme images ok

config/sync/migrate_plus.migration.d7_node_theme.yml

@@ -1,9 +1,9 @@
-uuid: 6c24ccb0-9a42-4162-9900-4fe6edde5825
+uuid: 33fb807a-7941-481f-85c6-745336b34fde
 langcode: fr
 status: true
 dependencies: {  }
 _core:
-  default_config_hash: v7lZxj69QSpfsfR5KJSQSV4wPE42ubLZxMh_i2bU8NI
+  default_config_hash: rJxQh2W7x4hn1fMvgAiyjsdjG3SPO8Re_q5Zv15hgcQ
 id: d7_node_theme
 class: null
 field_plugin_method: null
@@ -35,6 +35,17 @@ process:
     migration: d7_node_programme
     source: programme
     no_stub: true
+  field_image:
+    plugin: sub_process
+    source: images
+    process:
+      target_id:
+        plugin: migration_lookup
+        migration: d7_allpublicfiles
+        source: fid
+        no_stub: true
+      alt: alt
+      title: title
 destination:
   plugin: 'entity:node'
 migration_dependencies: