Adapt trailing slash status of iframe and SPA url when checking for new iFrame location

aleksis/core/assets/components/LegacyBaseTemplate.vue

@@ -47,7 +47,12 @@ export default {
       const location = this.$refs.contentIFrame.contentWindow.location;
       const url = new URL(location);
       const path = url.pathname.substring(7);
-      if (path !== this.$route.path) {
+      const routePath =
+        path.charAt(path.length - 1) === "/" &&
+        this.$route.path.charAt(path.length - 1) !== "/"
+          ? this.$route.path + "/"
+          : this.$route.path;
+      if (path !== routePath) {
         this.$router.push(path);
       }