Merge pull request #292304 from networkException/unix-socket-sliding-sync-bindaddr

nixos/matrix-sliding-sync: improve unix socket support

nixos/modules/services/matrix/matrix-sliding-sync.nix

···
             type = lib.types.str;
             default = "127.0.0.1:8009";
             example = "[::]:8008";
-            description = lib.mdDoc "The interface and port to listen on.";
+            description = lib.mdDoc "The interface and port or path (for unix socket) to listen on.";
           };
 
           SYNCV3_LOG_LEVEL = lib.mkOption {
···
         ExecStart = lib.getExe cfg.package;
         StateDirectory = "matrix-sliding-sync";
         WorkingDirectory = "%S/matrix-sliding-sync";
+        RuntimeDirectory = "matrix-sliding-sync";
         Restart = "on-failure";
         RestartSec = "1s";
       };