fixed minor theoretical UI bug

src/frontend/components/board-game.ts

@@ -39,15 +39,16 @@ class BoardGameComponent extends HTMLElement {
     for (const [slotName, templateName] of Object.entries(slotTemplateNames)) {
       this.querySelectorAll(`.${slotName}`).forEach((slot) => {
         if (slot.getAttribute("data-current-template") !== templateName) {
-          const template = this.querySelector(`template[name="${templateName}"]`);
-          if (template) {
           while (slot.lastChild) {
             slot.removeChild(slot.lastChild);
           }
 
+          const template = this.querySelector(`template[name="${templateName}"]`);
+          if (template) {
             slot.appendChild(template.content.cloneNode(true));
-            slot.setAttribute("data-current-template", templateName);
           }
+
+          slot.setAttribute("data-current-template", templateName);
         }
       });
     }