Change Details

``` Side effect: this results in the RPC showing unknown service bits as "UNKNOWN[n]" like the GUI. Note that there is no common mask-to-vector<string> function because both GUI and RPC would need to iterate through it to convert to their desired target formats. ``` Backport of core PR18165. Depends on D8516.

``` Side effect: this results in the RPC showing unknown service bits as "UNKNOWN[n]" like the GUI. Note that there is no common mask-to-vector<string> function because both GUI and RPC would need to iterate through it to convert to their desired target formats. ``` Backport of core [[https://github.com/bitcoin/bitcoin/pull/18165 | PR18165]]. Depends on D8516.

``` Side effect: this results in the RPC showing unknown service bits as "UNKNOWN[n]" like the GUI. Note that there is no common mask-to-vector<string> function because both GUI and RPC would need to iterate through it to convert to their desired target formats. ``` Backport of core [[https://github.com/bitcoin/bitcoin/pull/18165 | PR18165]]. Depends on D8516.