Merge #18376: net: fix use-after-free in tests

7d8e1dec3b26074df1533f715871f79c956cc224 net: fix use-after-free in tests (Vasil Dimov)

Pull request description:

  In PeerLogicValidation::PeerLogicValidation() we would schedule a lambda
  function to execute later, capturing the local variable
  `consensusParams` by reference.

  Presumably this was considered safe because `consensusParams` is a
  reference itself to a global variable which is not supposed to change,
  but it can in tests.

  Fixes https://github.com/bitcoin/bitcoin/issues/18372

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ACKs for top commit:
  sipa:
    ACK 7d8e1dec3b26074df1533f715871f79c956cc224
  practicalswift:
    ACK 7d8e1dec3b26074df1533f715871f79c956cc224
  MarcoFalke:
    ACK 7d8e1dec3b26074df1533f715871f79c956cc224

Tree-SHA512: fe0f6e5fac1976d38dfb249517eef142dcb8837e178d7d199e5e854e3ab428822c6da9d96fe312293d39b6c6cac0c97896f3b5760013db200cccd729ae1b0710

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