update to latest wabac.js -- fix reading small wacz files

embed fixes: fix 'replayonly' mode to hide locationbar
embed loading screen: simplify, don't show cancel button, filename
bump to electron 10.0.0
bump to beta.1

src/coll.js

@@ -408,6 +408,10 @@ class Coll extends LitElement
   }
 
   renderLocationBar() {
+    if (this.embed === "replayonly") {
+      return "";
+    }
+
     const dateStr = tsToDate(this.ts).toLocaleString();
 
     const isReplay = this.tabData.view === "replay";