Use "real" series name field when editing alt styles

Just a little improvement to the form, so when there's no series name,
the text field is empty—even though in most contexts we *pretend* it's
"<New?">

app/controllers/alt_styles_controller.rb

@@ -63,7 +63,7 @@ class AltStylesController < ApplicationController
 	protected
 
 	def alt_style_params
-		params.require(:alt_style).permit(:series_name, :thumbnail_url)
+		params.require(:alt_style).permit(:real_series_name, :thumbnail_url)
 	end
 
 	def find_color

app/models/alt_style.rb

@@ -35,13 +35,21 @@ class AltStyle < ApplicationRecord
   # `fits:<New?>-faerie-draik` intentionally will not work, and the canonical
   # filter name will be `fits:alt-style-IDNUMBER`, instead.
   def series_name
-    self[:series_name] || "<New?>"
+    real_series_name || "<New?>"
+  end
+
+  def real_series_name=(new_series_name)
+    self[:series_name] = new_series_name
+  end
+
+  def real_series_name
+    self[:series_name]
   end
 
   # You can use this to check whether `series_name` is returning the actual
   # value or its placeholder value.
-  def has_real_series_name?
-    self[:series_name].present?
+  def real_series_name?
+    real_series_name.present?
   end
 
   def adjective_name

app/models/item/search/query.rb

@@ -367,7 +367,7 @@ class Item
         # If the real series name has been set in the database by support
         # staff, use that for the canonical filter text for this alt style.
         # Otherwise, represent this alt style by ID.
-        if alt_style.has_real_series_name?
+        if alt_style.real_series_name?
           series_name = alt_style.series_name.downcase
           color_name = alt_style.color.name.downcase
           species_name = alt_style.species.name.downcase

app/views/alt_styles/edit.html.haml

@@ -21,8 +21,8 @@
 				- @alt_style.errors.each do |error|
 					%li= error.full_message
 	%fieldset
-		= f.label :series_name, "Series"
-		= f.text_field :series_name
+		= f.label :real_series_name, "Series"
+		= f.text_field :real_series_name
 		= f.label :thumbnail_url, "Thumbnail"
 		.thumbnail-field
 			- if @alt_style.thumbnail_url?