feat: Support for WS2812 RGB LEDs (#3909)

Co-authored-by: 3djc <lesitewebdejc@hotmail.com>

radio/src/gui/gui_common.cpp

@@ -585,6 +585,7 @@ bool isAssignableFunctionAvailable(int function, CustomFunctionData * functions)
 #endif
 #if !defined(HAPTIC)
     case FUNC_HAPTIC:
+      return false;
 #endif
 #if !defined(DANGEROUS_MODULE_FUNCTIONS)
     case FUNC_RANGECHECK:
@@ -595,11 +596,14 @@ bool isAssignableFunctionAvailable(int function, CustomFunctionData * functions)
     case FUNC_PLAY_SCRIPT:
       return false;
 #endif
+#if !defined(AUDIO_MUTE_GPIO)
     case FUNC_DISABLE_AUDIO_AMP:
-#if defined(AUDIO_MUTE_GPIO)
-      return true;
-#endif
       return false;
+#endif
+#if !defined(LED_STRIP_GPIO)
+    case FUNC_RGB_LED:
+      return false;
+#endif
     default:
       return true;
   }