Fix ifdef statement after ST7796 merge to resolve screen color issues (#8796)

Author: Xaositek

src/graphics/Screen.cpp

@@ -356,13 +356,14 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
 #else
     dispdev = new ST7789Spi(&SPI1, ST7789_RESET, ST7789_RS, ST7789_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
 #endif
-#elif defined(USE_ST7796)
+#if defined(USE_ST7796)
 #ifdef ESP_PLATFORM
     dispdev = new ST7796Spi(&SPI1, ST7796_RESET, ST7796_RS, ST7796_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT, ST7796_SDA,
                             ST7796_MISO, ST7796_SCK, TFT_SPI_FREQUENCY);
 #else
     dispdev = new ST7796Spi(&SPI1, ST7796_RESET, ST7796_RS, ST7796_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
 #endif
+#endif
 #if defined(USE_ST7789)
     static_cast<ST7789Spi *>(dispdev)->setRGB(TFT_MESH);
 #elif defined(USE_ST7796)