ui: fix training_edit description display

packages/ui-default/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.12.6",
+  "version": "4.12.7",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",

packages/ui-default/templates/training_edit.html

@@ -31,7 +31,7 @@
           <div class="row"><div class="columns">
             <label>
               {{ _('Description') }}
-              <textarea name="description" class="textbox" data-markdown style="height: 200px">{{ tdoc['desc']|default('') }}</textarea>
+              <textarea name="description" class="textbox" data-markdown style="height: 200px">{{ tdoc['description']|default('') }}</textarea>
             </label>
           </div></div>
           <div class="row"><div class="columns">