fix: allow append after timeline change fix

src/segment-loader.js

@@ -2222,6 +2222,9 @@ Fetch At Buffer: ${this.fetchAtBuffer_}
     ) {
       if (shouldFixBadTimelineChanges(this.timelineChangeController_)) {
         fixBadTimelineChange(this);
+        // we want to append segments whenever we can, so
+        // try and fix the bad change then append the segment anyway.
+        return true;
       }
       return false;
     }