fixes bug in periodic execution that made subtasks execute in main-thread, polluting the tx-state of the main thread
fixes bug in periodic execution that made subtasks execute in main-thread, polluting the tx-state of the main thread

lilianaziolek/neo4j-apoc-procedures,neo4j-contrib/neo4j-apoc-procedures,larusba/neo4j-apoc-procedures,larusba/neo4j-apoc-procedures,neo4j-contrib/neo4j-apoc-procedures,inserpio/neo4j-apoc-procedures,neo4j-contrib/neo4j-apoc-procedures,neo4j-contrib/neo4j-apoc-procedures