Change Details

``` This function (check_node_connections) exists in feature_anchors.py and p2p_add_connections.py and does the same thing in both, this PR moves this function to util to avoid repetition and facilitate maintenance. ``` Backport of core#23392 and core#23774 (missing import fix). Depends on D10966. Ref T1696.

``` This function (check_node_connections) exists in feature_anchors.py and p2p_add_connections.py and does the same thing in both, this PR moves this function to util to avoid repetition and facilitate maintenance. ``` Backport of [[https://github.com/bitcoin/bitcoin/pull/23392 | core#23392]] and [[https://github.com/bitcoin/bitcoin/pull/23774 | core#23774]] (missing import fix). Depends on D10966. Ref T1696.

``` This function (check_node_connections) exists in feature_anchors.py and p2p_add_connections.py and does the same thing in both, this PR moves this function to util to avoid repetition and facilitate maintenance. ``` Backport of core#23392 and core#23774[[https://github.com/bitcoin/bitcoin/pull/23392 | core#23392]] and [[https://github.com/bitcoin/bitcoin/pull/23774 | core#23774]] (missing import fix). Depends on D10966. Ref T1696.