FIX: Don't blow up when trying to parse invalid or non-ASCII URLs (#9838)

* FIX: Don't blow up when trying to parseinvalid or non-ASCII URLs

Follow-up to 72f139191e

lib/file_store/s3_store.rb

@@ -79,7 +79,12 @@ module FileStore
     def has_been_uploaded?(url)
       return false if url.blank?
 
-      parsed_url = URI.parse(url)
+      begin
+        parsed_url = URI.parse(URI.encode(url))
+      rescue URI::InvalidURIError
+        return false
+      end
+
       base_hostname = URI.parse(absolute_base_url).hostname
       if url[base_hostname]
         # if the hostnames match it means the upload is in the same