message: use generated namespace as unique identifier in optimizing cache keys
diff: @@ -11,8 +11,8 @@ export class StylableNamespaceOptimizer implements IStylableNamespaceOptimizer {
  }
  public getNamespace(meta: StylableMeta, ..._env: any[]) {
  return (
  - this.namespaceMapping[meta.source] ||
  - (this.namespaceMapping[meta.source] = this.namespacePrefix + this.index++)
  + this.namespaceMapping[meta.namespace] ||
  + (this.namespaceMapping[meta.namespace] = this.namespacePrefix + this.index++)
  );
  }
  }
  