Merge pull request #1370 from canalplus/fix/update-clock-offset

Don't re-load a Manifest's optional external resource each time if initial failed

src/manifest/classes/manifest.ts

@@ -622,6 +622,7 @@ export default class Manifest
     this.isLive = newManifest.isLive;
     this.isLastPeriodKnown = newManifest.isLastPeriodKnown;
     this.lifetime = newManifest.lifetime;
+    this.clockOffset = newManifest.clockOffset;
     this.suggestedPresentationDelay = newManifest.suggestedPresentationDelay;
     this.transport = newManifest.transport;
     this.publishTime = newManifest.publishTime;