invert dev hiding logic

app/src/components/SVGContent.vue

@@ -246,9 +246,9 @@ export default defineComponent({
         console.info("[SVG] DEBUG mode active, turning on stats & dev panel.");
         stats = new Stats();
         document.body.appendChild(stats.dom);
-      } else {
+
         Array.from(document.body.getElementsByClassName("dev")).forEach((el) => {
-          (el as HTMLElement).style.display = "none";
+          (el as HTMLElement).style.display = "block";
         });
       }
 
@@ -473,6 +473,10 @@ function processStart(svg: XMLDocument): SVGRectElement | null {
   transition: width 0.2s;
 }
 
+.dev {
+  display: none;
+}
+
 .devpanel {
   position: fixed;
   top: 0;