fetchRuleChains promise chaining simplified
fetchRuleChains promise chaining simplified

volodymyr-babak/thingsboard,thingsboard/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard,volodymyr-babak/thingsboard,volodymyr-babak/thingsboard,volodymyr-babak/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard,thingsboard/thingsboard,thingsboard/thingsboard,thingsboard/thingsboard