artists: fix quick search to search urls.

ref: https://danbooru.donmai.us/forum_topics/9127?page=265#forum_post_153124

app/models/artist.rb

@@ -490,6 +490,14 @@ class Artist < ApplicationRecord
       end
     end
 
+    def any_name_or_url_matches(query)
+      if query =~ %r!\Ahttps?://!i
+        url_matches(query)
+      else
+        any_name_matches(query)
+      end
+    end
+
     def search(params)
       q = super
 
@@ -504,6 +512,10 @@ class Artist < ApplicationRecord
         q = q.any_name_matches(params[:any_name_matches])
       end
 
+      if params[:any_name_or_url_matches].present?
+        q = q.any_name_or_url_matches(params[:any_name_or_url_matches])
+      end
+
       if params[:url_matches].present?
         q = q.url_matches(params[:url_matches])
       end

app/views/artists/_quick_search.html.erb

@@ -1,3 +1,3 @@
 <%= form_tag(artists_path, :method => :get) do %>
-  <%= text_field "search", "name", id: "quick_search_name", placeholder: "Search artists", data: { autocomplete: "artist" } %>
+  <%= text_field "search", "any_name_or_url_matches", id: "quick_search_name", placeholder: "Search artists", "data-autocomplete": "artist" %>
 <% end %>