Fix error on broken image

static/confirm_instance_details.mts

@@ -59,12 +59,18 @@ export function initializeInstanceDetailsDialog(
     };
 
     form.addEventListener("submit", e => {
+        let image: string | null = null;
+        if (instanceIcon.src !== blankImage) {
+            try {
+                image = resize(instanceIcon);
+            } catch { }
+        }
         callback(
             instanceName.value,
             instanceHost.value,
             instanceHostSecure.checked,
             instanceSoftware.value,
-            instanceIcon.src == blankImage ? null : resize(instanceIcon)
+            image
         );
         form.reset();
     });