Make better solution for temp fix reload flow

[diedekerkhof]

This could cause problems with bigger configurations, because this timeout doesn't take generation time into effect. A better way would be to trigger a callback, use a queue or to stop the current generation and start the new one (the best solution, if possible).

Originally posted by @philipsens in https://github.com/ibissource/frank-flow/issues/895#issuecomment-1154016784