feat: Improve code formatting and readability in AlphaBetaSearch and related tests

modules/ui/src/main/scala/de/nowchess/ui/gui/ChessBoardView.scala

@@ -205,7 +205,12 @@ class ChessBoardView(val stage: Stage, private val engine: GameEngine) extends B
         else
           val isPromo = engine.ruleSet
             .legalMoves(engine.context)(fromSquare)
-            .exists(m => m.to == clickedSquare && m.moveType.isInstanceOf[MoveType.Promotion])
+            .exists(m =>
+              m.to == clickedSquare && (m.moveType match
+                case MoveType.Promotion(_) => true
+                case _                     => false
+              ),
+            )
           if isPromo then showPromotionDialog(fromSquare, clickedSquare)
           else engine.processUserInput(s"${fromSquare}$clickedSquare")
           selectedSquare.set(None)
@@ -267,7 +272,8 @@ class ChessBoardView(val stage: Stage, private val engine: GameEngine) extends B
         case Some(piece) =>
           Seq(bgRect) ++ PieceSprites.loadPieceImage(piece, squareSize * 0.8).toSeq
         case None =>
-          Seq(bgRect)): Seq[scalafx.scene.Node]
+          Seq(bgRect)
+      ): Seq[scalafx.scene.Node]
     }
 
   def showMessage(msg: String): Unit =

modules/ui/src/main/scala/de/nowchess/ui/gui/ChessGUI.scala

@@ -30,9 +30,9 @@ class ChessGUIApp extends JFXApplication:
     stage.scene = new Scene {
       root = boardView
       // Load CSS if available
-      try {
+      try
         Option(getClass.getResource("/styles.css")).foreach(url => stylesheets.add(url.toExternalForm))
-      } catch {
+      catch {
         case _: Exception => // CSS is optional
       }
     }