chore: bump scalafmt to 3.9.7 (#1916)

multi-node-testkit/src/main/scala/org/apache/pekko/remote/testconductor/Conductor.scala

@@ -504,8 +504,8 @@ private[pekko] class Controller(private var initialParticipants: Int, controller
       barrier.forward(c)
     case op: ServerOp =>
       op match {
-        case _: EnterBarrier => barrier.forward(op)
-        case _: FailBarrier  => barrier.forward(op)
+        case _: EnterBarrier  => barrier.forward(op)
+        case _: FailBarrier   => barrier.forward(op)
         case GetAddress(node) =>
           if (nodes contains node) sender() ! ToClient(AddressReply(node, nodes(node).addr))
           else addrInterest += node -> ((addrInterest.get(node).getOrElse(Set())) + sender())
@@ -526,7 +526,7 @@ private[pekko] class Controller(private var initialParticipants: Int, controller
         case Remove(node) =>
           barrier ! BarrierCoordinator.RemoveClient(node)
       }
-    case GetNodes => sender() ! nodes.keys
+    case GetNodes    => sender() ! nodes.keys
     case GetSockAddr =>
       sender() ! connection.channelFuture.sync().channel().localAddress()
   }
@@ -654,7 +654,7 @@ private[pekko] class BarrierCoordinator
         handleBarrier(d.copy(arrived = together))
     case Event(RemoveClient(name), d @ Data(clients, _, arrived, _)) =>
       clients.find(_.name == name) match {
-        case None => stay()
+        case None         => stay()
         case Some(client) =>
           handleBarrier(d.copy(clients = clients - client, arrived = arrived.filterNot(_ == client.fsm)))
       }

multi-node-testkit/src/main/scala/org/apache/pekko/remote/testconductor/DataTypes.scala

@@ -163,7 +163,7 @@ private[pekko] class MsgDecoder extends MessageToMessageDecoder[AnyRef] {
           case BarrierOp.Succeeded => BarrierResult(barrier.getName, true)
           case BarrierOp.Failed    => BarrierResult(barrier.getName, false)
           case BarrierOp.Fail      => FailBarrier(barrier.getName)
-          case BarrierOp.Enter =>
+          case BarrierOp.Enter     =>
             EnterBarrier(
               barrier.getName,
               if (barrier.hasTimeout) Option(Duration.fromNanos(barrier.getTimeout)) else None)

multi-node-testkit/src/main/scala/org/apache/pekko/remote/testconductor/Player.scala

@@ -279,7 +279,7 @@ private[pekko] class ClientFSM(name: RoleName, controllerAddr: InetSocketAddress
 
           cmdFuture.foreach {
             case true => self ! ToServer(Done)
-            case _ =>
+            case _    =>
               throw new RuntimeException("Throttle was requested from the TestConductor, but no transport " +
                 "adapters available that support throttling. Specify `testTransport(on = true)` in your MultiNodeConfig")
           }
@@ -359,7 +359,7 @@ private[pekko] class PlayerHandler(
 
   private def tryConnectToController(): Unit = {
     Try(reconnect()) match {
-      case Success(r) => connectionRef.set(r)
+      case Success(r)  => connectionRef.set(r)
       case Failure(ex) =>
         log.error("Error when trying to connect to remote addr:[{}] will retry, time left:[{}], cause:[{}].",
           server, nextAttempt.timeLeft, ex.getMessage)

multi-node-testkit/src/main/scala/org/apache/pekko/remote/testkit/MultiNodeSpec.scala

@@ -508,7 +508,7 @@ abstract class MultiNodeSpec(
         case (base, r @ Replacement(tag, _)) =>
           base.indexOf(tag) match {
             case -1 => base
-            case _ =>
+            case _  =>
               val replaceWith =
                 try r.addr
                 catch {
@@ -526,7 +526,7 @@ abstract class MultiNodeSpec(
       import pekko.util.ccompat.JavaConverters._
       ConfigFactory.parseString(deployString).root.asScala.foreach {
         case (key, value: ConfigObject) => deployer.parseConfig(key, value.toConfig).foreach(deployer.deploy)
-        case (key, x) =>
+        case (key, x)                   =>
           throw new IllegalArgumentException(s"key $key must map to deployment section, not simple value $x")
       }
     }