Correct Cosmetica preference key

Natives/JavaLauncher.m

@@ -198,7 +198,7 @@ int launchJVM(NSString *username, id launchTarget, int width, int height, int mi
     margv[++margc] = (char *)[NSString stringWithFormat:@"-DUIScreen.maximumFramesPerSecond=%d", (int)UIScreen.mainScreen.maximumFramesPerSecond].UTF8String;
     margv[++margc] = "-Dorg.lwjgl.system.allocator=system";
     margv[++margc] = "-Dlog4j2.formatMsgNoLookups=true";
-    if([getPreference(@"arccapes_enable") boolValue]) {
+    if([getPreference(@"cosmetica") boolValue]) {
         margv[++margc] = arcDNS;
     }
     NSString *selectedAccount = getPreference(@"internal_selected_account");

Natives/LauncherPreferences.m

@@ -115,7 +115,7 @@ void loadPreferences(BOOL reset) {
     setDefaultValueForPref(envPrefDict, @"java_args", @"");
     setDefaultValueForPref(envPrefDict, @"allocated_memory", [NSNumber numberWithFloat:roundf(([[NSProcessInfo processInfo] physicalMemory] / 1048576) * 0.25)]);
     setDefaultValueForPref(prefDict, @"debug_logging", @(CONFIG_RELEASE != 1));
-    setDefaultValueForPref(prefDict, @"arccapes_enable", @YES);
+    setDefaultValueForPref(prefDict, @"cosmetica", @YES);
     setDefaultValueForPref(envPrefDict, @"java_home", @"java-8-openjdk");
     setDefaultValueForPref(envPrefDict, @"renderer", @"auto");
     fillDefaultWarningDict();