ToggleButton: removed "ToggleButton.arc" because it was only used for the background, but not for the border, which is painted in FlatButtonBorder

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatButtonUI.java

@@ -134,7 +134,7 @@ public class FlatButtonUI
 			String prefix = getPropertyPrefix();
 
 			focusWidth = UIManager.getInt( "Component.focusWidth" );
-			arc = UIManager.getInt( prefix + "arc" );
+			arc = UIManager.getInt( "Button.arc" );
 			minimumWidth = UIManager.getInt( prefix + "minimumWidth" );
 			iconTextGap = FlatUIUtils.getUIInt( prefix + "iconTextGap", 4 );
 

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToggleButtonUI.java

@@ -38,7 +38,7 @@ import javax.swing.plaf.ComponentUI;
  * <!-- FlatButtonUI -->
  *
  * @uiDefault Component.focusWidth						int
- * @uiDefault ToggleButton.arc							int
+ * @uiDefault Button.arc								int
  * @uiDefault ToggleButton.minimumWidth					int
  * @uiDefault ToggleButton.iconTextGap					int
  * @uiDefault ToggleButton.startBackground				Color	optional; if set, a gradient paint is used and ToggleButton.background is ignored

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties

@@ -401,7 +401,6 @@ TitledBorder.border=1,1,1,1,@@Separator.foreground
 #---- ToggleButton ----
 
 ToggleButton.border=com.formdev.flatlaf.ui.FlatButtonBorder
-ToggleButton.arc=6
 ToggleButton.margin=2,14,2,14
 ToggleButton.iconTextGap=4
 ToggleButton.rollover=true