[settings] Fix wonderswan defaults

emus/settings.py

@@ -429,13 +429,13 @@ GAME_SYSTEM_DEFAULTS = {
     },
     "wonderswan": {
         "name": "WonderSwan",
-        "color": "",
-        "retroarch_core": "",
+        "color": "AA88CC",
+        "retroarch_core": "mednafen_wswan",
     },
-    "wonderswan-color": {
+    "wonderswancolor": {
         "name": "WonderSwan Color",
-        "color": "",
-        "retroarch_core": "",
+        "color": "BB33CC",
+        "retroarch_core": "mednafen_wswan",
     },
     "wii": {
         "name": "Wii",