Change Details

``` Add a separate RPC error code for "wallet already loaded" to avoid having to match on message to detect this. ``` Backport of core#20964.

``` Add a separate RPC error code for "wallet already loaded" to avoid having to match on message to detect this. ``` Backport of [[https://github.com/bitcoin/bitcoin/pull/20964 | core#20964]].

``` Add a separate RPC error code for "wallet already loaded" to avoid having to match on message to detect this. ``` Backport of [[https://github.com/bitcoin/bitcoin/pull/20964 | core#20964]].