We only disconnect outbound peers (excluding HB compact block peers and manual
connections) when receiving a CACHED_INVALID header.
This is a partial backport of Core [[https://github.com/bitcoin/bitcoin/pull/15141 | PR15141]] : https://github.com/bitcoin/bitcoin/pull/15141/commits/6b34bc6b6f54f85537494cbea3846d5d195a06d9