ui: ensure iso string 'ts' is parsed into timestamp ts + wabac.js 2.26.0 (#501)

deps: update to wabac.js 2.26.0 for optimizations for wacz loading +
proxy rewrite mode

package.json

@@ -22,7 +22,7 @@
   "dependencies": {
     "@fortawesome/fontawesome-free": "^5.15.4",
     "@shoelace-style/shoelace": "~2.15.1",
-    "@webrecorder/wabac": "^2.26.0-beta.0",
+    "@webrecorder/wabac": "^2.26.0",
     "bulma": "^0.9.3",
     "electron-log": "^4.4.1",
     "electron-updater": "^6.6.2",