Reset the image-loaded flags when resetting

xray.js

@@ -322,7 +322,8 @@ function load() {
 
 function reset() {
     running = false;
-
+    baseLoaded = false;
+    overlayLoaded = false;
     const overlay = document.querySelector("#overlay");
     const base = document.querySelector("#base");
     const overlayResized = document.querySelector("#overlay-resized");