FIX: Old Upload#url scheme support for Upload.get_from_url.

This is for backwards compatibility purposes. Even if `Upload#url` has a
format that we don't recognize, we should still return the upload object
as long as the upload record is present.

app/models/concerns/has_url.rb

@@ -26,7 +26,13 @@ module HasUrl
 
       return if uri&.path.blank?
       data = extract_url(uri.path)
-      return if data.blank?
+
+      if data.blank?
+        result = nil
+        result ||= self.find_by(url: uri.path)
+        return result
+      end
+
       result = nil
 
       if self.name == "Upload"