fixed Swing system colors in dark themes

flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/FlatTestLaf.properties

@@ -19,6 +19,7 @@
 @background=#ccffcc
 @foreground=#ff0000
 @selectionBackground=#00aa00
+@selectionForeground=#ffff00
 @selectionInactiveBackground=#888888
 @selectionInactiveForeground=#ffffff
 @disabledText=#000088
@@ -37,7 +38,7 @@
 *.inactiveBackground=#f0f0f0
 *.inactiveForeground=#000088
 *.selectionBackground=@selectionBackground
-*.selectionForeground=#ffff00
+*.selectionForeground=@selectionForeground
 *.disabledBackground=#e0e0e0
 *.disabledForeground=@disabledText
 *.disabledText=@disabledText
@@ -45,6 +46,16 @@
 *.acceleratorSelectionForeground=#ffffff
 
 
+#---- system colors ----
+
+activeCaption=#99b4d1
+inactiveCaption=#bfcddb
+controlHighlight=#e3e3e3
+controlLtHighlight=#fff
+controlShadow=#a0a0a0
+controlDkShadow=#696969
+
+
 #---- Button ----
 
 Button.startBackground=#fff