app: Split Alma item set env dropdowns

This makes the production and sandbox dropdown elements completely
separate.  This should resolve the issue where the sandbox element
sometimes overrides the production element, causing the wrong item
set to be written to.

Closes: AP-560

Author: awilfox

app/controllers/alma_item_set_controller.rb

@@ -1,6 +1,7 @@
 require 'date'
 
 class AlmaItemSetController < ApplicationController
+  VALID_ENVS = %w(production sandbox)
 
   # TODO: - Need to make sure only certain staff access this page
   before_action :authorize!
@@ -14,7 +15,11 @@ def index
   # rubocop:disable Metrics/AbcSize
   def update
     env = params[:alma_env]
-    alma_set_id = params[:alma_set_id]
+    unless env.in? VALID_ENVS
+      redirect_to alma_item_set_url, warning: 'Invalid environment specified', status: :see_other and return
+    end
+
+    alma_set_id = params["alma_set_id_#{env}".to_sym]
     num = params[:note_num]
 
     note = new_note(params[:note_value], params[:initials])

app/views/alma_item_set/index.html.erb

@@ -17,13 +17,21 @@
         <%= f.label("#{rb_alma_env}_sandbox".to_sym, "Sandbox") %>
       </div>
       <%# Set Name %>
-      <div class="form-label form-group required mt-4">
-        <%= label_tag(:alma_set_id, 'Alma Set Name:', class: 'control-label') %>
+      <div id="prod-drop-down">
+        <div class="form-label form-group required mt-4">
+          <%= label_tag(:alma_set_id_production, 'Production Alma Set Name:', class: 'control-label') %>
+        </div>
+        <div class="form-input required">
+          <%= f.select(:alma_set_id_production, @production_sets, {}, {:class => 'form-control'}) %>
+        </div>
       </div>
-      <div class="form-input required">
-        <%# f.text_field(:alma_set_name, class: 'narrow form-control add-required', aria: { required: true }, required: true, autofocus: true) %>
-        <%= f.select(:alma_set_id, @production_sets, {}, {:class => 'form-control', :id => 'prod-drop-down'}) %>
-        <%= f.select(:alma_set_id, @sandbox_sets, {}, {:class => 'form-control', :id => 'sand-drop-down'}) %>
+      <div id="sand-drop-down">
+        <div class="form-label form-group required mt-4">
+          <%= label_tag(:alma_set_id_sandbox, 'Sandbox Alma Set Name:', class: 'control-label') %>
+        </div>
+        <div class="form-input required">
+          <%= f.select(:alma_set_id_sandbox, @sandbox_sets, {}, {:class => 'form-control'}) %>
+        </div>
       </div>
       <%# Note Number %>
       <div class="form-label form-group mt-4">