DEV: Implement control to hide category from composer dropdown in specified categories

assets/javascripts/discourse/connectors/category-custom-settings/custom-wizard-category-settings.hbs

@@ -12,4 +12,15 @@
       options=(hash none="admin.wizard.select")
     }}
   </div>
+</section>
+<section class="field hide-from-composer">
+    <label>
+      <Input
+        @type="checkbox"
+        @checked={{hideFromComposer}}
+        {{on "change" (action "toggleHideFromComposer")}}
+      />
+      {{i18n "admin.wizard.category_settings.custom_wizard.hide_from_composer"}}
+    </label>
+
 </section>

assets/javascripts/discourse/connectors/category-custom-settings/custom-wizard-category-settings.js.es6

@@ -13,6 +13,10 @@ export default {
       "wizardListVal",
       attrs?.category?.custom_fields?.create_topic_wizard
     );
+    component.set(
+      "hideFromComposer",
+      attrs?.category?.custom_fields?.custom_wizard_hide_from_composer
+    );
   },
 
   actions: {
@@ -20,5 +24,12 @@ export default {
       this.set("wizardListVal", wizard);
       this.set("category.custom_fields.create_topic_wizard", wizard);
     },
+    toggleHideFromComposer() {
+      this.toggleProperty("hideFromComposer");
+      this.set(
+        "category.custom_fields.custom_wizard_hide_from_composer",
+        this.hideFromComposer
+      );
+    },
   },
 };

config/locales/client.en.yml

@@ -133,6 +133,7 @@ en:
           custom_wizard:
             title: "Custom Wizard"
             create_topic_wizard: "Select a wizard to replace the new topic composer in this category."
+            hide_from_composer: "Exclude category from composer dropdown"
 
         message:
           wizard: