rosalina: work around gsp bug

fix typo in screen filters menu

sysmodules/rosalina/source/menus.c

@@ -232,7 +232,8 @@ void RosalinaMenu_ChangeScreenBrightness(void)
             else if (pressed & KEY_LEFT)
                 lum -= 10;
 
-            lum = lum < 0 ? 0 : lum;
+            lum = lum < (s32)minLum ? (s32)minLum : lum;
+            lum = lum > (s32)maxLum ? (s32)maxLum : lum;
 
             // We need to call gsp here because updating the active duty LUT is a bit tedious (plus, GSP has internal state).
             // This is actually SetLuminance:

sysmodules/rosalina/source/menus/screen_filters.c

@@ -116,7 +116,7 @@ Menu screenFiltersMenu = {
         { "[2700K] Incandescent", METHOD, .method = &ScreenFiltersMenu_SetIncandescent },
         { "[2300K] Warm Incandescent", METHOD, .method = &ScreenFiltersMenu_SetWarmIncandescent },
         { "[1900K] Candle", METHOD, .method = &ScreenFiltersMenu_SetCandle },
-        { "[2700K] Ember", METHOD, .method = &ScreenFiltersMenu_SetEmber },
+        { "[1200K] Ember", METHOD, .method = &ScreenFiltersMenu_SetEmber },
         {},
     }
 };