Fix human-readable name for ImageMetadata

Fixes "IndexError at /en/mispoes/objects/, pop from empty list" error.

octopoes/octopoes/models/ooi/web.py

@@ -211,26 +211,17 @@ def format_reference_human_readable(cls, reference: Reference) -> str:
 class ImageMetadata(OOI):
     object_type: Literal["ImageMetadata"] = "ImageMetadata"
 
-    resource: Reference = ReferenceField(HTTPResource, max_issue_scan_level=0, max_inherit_scan_level=4)
+    resource: Reference = ReferenceField(HostnameHTTPURL, max_issue_scan_level=0, max_inherit_scan_level=4)
     image_info: Dict
 
     _natural_key_attrs = ["resource"]
     _reverse_relation_names = {"resource": "ImageMetaData"}
 
     @classmethod
     def format_reference_human_readable(cls, reference: Reference) -> str:
-        t = reference.tokenized
-
-        port = f":{t.resource.web_url.port}" if t.resource.web_url.port else ""
-        try:
-            netloc = t.resource.web_url.netloc.address
-        except KeyError:
-            netloc = t.resource.web_url.netloc.name
-
-        web_url = f"{t.resource.web_url.scheme}://{netloc}{port}{t.resource.web_url.path}"
-        address = t.resource.website.ip_service.ip_port.address.address
-
-        return f"{web_url} @ {address}"
+        tokenized = reference.tokenized.resource
+        port = f":{tokenized.port}" if tokenized.port else ""
+        return f"{tokenized.scheme}://{tokenized.netloc.name}{port}{tokenized.path}"
 
 
 class RESTAPI(OOI):