Add read-only mode to map and array editors

frontend-reactive/app/components/util/multiselect.hbs

@@ -1,14 +1,26 @@
 <div class={{@wrapper-class}}>
-  {{#each this.args.elements as |element|}}
-    <label class={{@label-class}}>
-      {{element.description}}
-      <Input
-        @type="checkbox"
-        name="{{element.name}}"
-        class="{{@input-classes}}"
-        @checked={{element.checked}}
-        {{on "change" this.onChange}}
-      />
-    </label>
-  {{/each}}
+  {{#if @readonly}}
+    <ul>
+      {{#each this.args.elements as |element|}}
+        {{#if element.checked}}
+          <li>
+            <p>{{element.name}}</p>
+          </li>
+        {{/if}}
+      {{/each}}
+    </ul>
+  {{else}}
+    {{#each this.args.elements as |element|}}
+      <label class={{@label-class}}>
+        {{element.description}}
+        <Input
+          @type="checkbox"
+          name="{{element.name}}"
+          class="{{@input-classes}}"
+          @checked={{element.checked}}
+          {{on "change" this.onChange}}
+        />
+      </label>
+    {{/each}}
+  {{/if}}
 </div>