Fix {host,show}.json fixtures

fixtures/program/host.json

@@ -7,10 +7,12 @@
       "is_active": true,
       "email": "",
       "biography": null,
-      "ppoi": "0.5x0.5",
-      "height": null,
-      "width": null,
-      "image": ""
+      "image": null,
+      "image_ppoi": "0.5x0.5",
+      "image_width": null,
+      "image_height": null,
+      "created_at": "2000-06-01 00:00Z",
+      "created_by": "loaddata"
     }
   }
 ]

fixtures/program/show.json

@@ -8,10 +8,10 @@
       "funding_category": 1,
       "name": "Musikprogramm",
       "slug": "musikprogramm",
-      "ppoi": "0.5x0.5",
-      "height": null,
-      "width": null,
-      "image": "",
+      "image": null,
+      "image_width": null,
+      "image_height": null,
+      "image_ppoi": "0.5x0.5",
       "logo": "",
       "short_description": "Unmoderiertes Musikprogramm",
       "description": "Unmoderiertes Musikprogramm",
@@ -27,7 +27,9 @@
       "language": [],
       "category": [],
       "topic": [],
-      "music_focus": []
+      "music_focus": [],
+      "created_at": "2000-06-01 00:00Z",
+      "created_by": "loaddata"
     }
   }
 ]