message: fix islocal
diff: @@ -498,7 +498,8 @@ export class ContainerRuntime extends EventEmitter implements IHostRuntime, IRun
  if (expContainerContext?.isExperimentalContainerContext) {
  // back-compat: 0.15 isAttached
  // isAttached is replaced with isLocal.
  - return expContainerContext.isLocal ? expContainerContext.isLocal() : !expContainerContext.isAttached();
  + return expContainerContext.isLocal ? expContainerContext.isLocal() :
  + expContainerContext.isAttached ? !expContainerContext.isAttached() : false;
  } else {
  // back-compat: 0.15 isAttached
  // Need to return false if container is not experimental because then the result would depend on
  @@ -1160,8 +1161,7 @@ export class ContainerRuntime extends EventEmitter implements IHostRuntime, IRun
  const context = this.contexts.get(componentRuntime.id);
  // If storage is not available then we are not yet fully attached and so will defer to the initial snapshot
  - const expContainerContext = this.context as IExperimentalContainerContext;
  - if (expContainerContext?.isExperimentalContainerContext ? !expContainerContext.isLocal() : true) {
  + if (!this.isLocal()) {
  const message = context.generateAttachMessage();
  this.pendingAttach.set(componentRuntime.id, message);
  