🚸 Case Light, LED menus for E3V2 DWIN Enhanced UI (#23590)

Marlin/src/inc/Conditionals_adv.h

@@ -618,6 +618,8 @@
 
 #if ANY(BLINKM, RGB_LED, RGBW_LED, PCA9632, PCA9533, NEOPIXEL_LED)
   #define HAS_COLOR_LEDS 1
+#else
+  #undef LED_POWEROFF_TIMEOUT
 #endif
 #if ALL(HAS_RESUME_CONTINUE, PRINTER_EVENT_LEDS, SDSUPPORT)
   #define HAS_LEDS_OFF_FLAG 1
@@ -738,9 +740,6 @@
 #endif
 
 #if EITHER(FYSETC_MINI_12864_2_1, FYSETC_242_OLED_12864)
-  #define LED_CONTROL_MENU
-  #define LED_USER_PRESET_STARTUP
-  #define LED_COLOR_PRESETS
   #ifndef LED_USER_PRESET_GREEN
     #define LED_USER_PRESET_GREEN      128
   #endif
@@ -981,6 +980,11 @@
   #endif
 #endif
 
+// Flags for Case Light having a brightness property
+#if ENABLED(CASE_LIGHT_ENABLE) && (NONE(CASE_LIGHT_NO_BRIGHTNESS, CASE_LIGHT_IS_COLOR_LED) || ENABLED(CASE_LIGHT_USE_NEOPIXEL))
+  #define CASELIGHT_USES_BRIGHTNESS 1
+#endif
+
 // Flag whether least_squares_fit.cpp is used
 #if ANY(AUTO_BED_LEVELING_UBL, AUTO_BED_LEVELING_LINEAR, Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
   #define NEED_LSF 1