Fix checkmark in kanban markdown

customize.dist/src/less2/include/markdown.less

@@ -71,10 +71,6 @@
             position: absolute;
             margin-left: -17px;
             margin-top: 4px;
-            &.fa-check-square {
-                font-size: 15px;
-                margin-top: 5px;
-            }
         }
     }
     media-tag {

www/code/app-code.less

@@ -70,6 +70,14 @@
 
         .markdown_main();
         .markdown_cryptpad();
+        .todo-list-item {
+            .fa {
+                &.fa-check-square {
+                    font-size: 15px;
+                    margin-top: 5px;
+                }
+            }
+        }
 
         .cp-app-code-preview-empty {
             display: none;