Make default search results for artworks 25, not 10 and for Artists, at least 20 instead of 8

[lwruby]

Here is an artist search as example:

https://artresearch.net/resource/start?selectedTab=Artists&withimages=false&withULAN=true&keyword=smith&uri=Default%3ASearchSimple&semanticSearch=N4IgZiBcDaC6A0IBOBTAzgVwDYBcrAF9EATAQx1LRRzSjkVKwEsBzAOwFsU29JQAVKCAAi5UgDoAsqQCeAIxQhEANXwEiIFklIAHABYBlAMYB7HSgMpSSI3vwhBkEWKmyFSkKr7qCQA