Support searching list of ids for artists, aliases, implications, BURs

fix #2455

app/models/artist.rb

@@ -410,7 +410,7 @@ class Artist < ActiveRecord::Base
       end
 
       if params[:id].present?
-        q = q.where("id = ?", params[:id])
+        q = q.where("id in (?)", params[:id].split(",").map(&:to_i))
       end
 
       if params[:creator_name].present?

app/models/bulk_update_request.rb

@@ -22,7 +22,7 @@ class BulkUpdateRequest < ActiveRecord::Base
       return q if params.blank?
 
       if params[:id].present?
-        q = q.where("id = ?", params[:id].to_i)
+        q = q.where("id in (?)", params[:id].split(",").map(&:to_i))
       end
 
       q

app/models/tag_alias.rb

@@ -34,7 +34,7 @@ class TagAlias < ActiveRecord::Base
       end
 
       if params[:id].present?
-        q = q.where("id = ?", params[:id].to_i)
+        q = q.where("id in (?)", params[:id].split(",").map(&:to_i))
       end
 
       case params[:order]

app/models/tag_implication.rb

@@ -87,7 +87,7 @@ class TagImplication < ActiveRecord::Base
       return q if params.blank?
 
       if params[:id].present?
-        q = q.where("id = ?", params[:id].to_i)
+        q = q.where("id in (?)", params[:id].split(",").map(&:to_i))
       end
 
       if params[:name_matches].present?