Prevent ESP3D_WIFISUPPORT with non-ESP32 board (#18792)

Marlin/src/inc/SanityCheck.h

@@ -3044,5 +3044,12 @@ static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
   #endif
 #endif
 
+/**
+ * Sanity check for WIFI
+ */
+#if ENABLED(ESP3D_WIFISUPPORT) && DISABLED(ARDUINO_ARCH_ESP32) 
+  #error "ESP3D_WIFISUPPORT requires an ESP32 controller. Use WIFISUPPORT for standalone ESP3D modules."
+#endif
+
 // Misc. Cleanup
 #undef _TEST_PWM