Show un-mounted media slot (#20005)

Marlin/src/lcd/tft/ui_320x240.cpp

 
   #if ENABLED(TOUCH_SCREEN)
     add_control(256, 130, menu_main, imgSettings);
-    TERN_(SDSUPPORT, add_control(0, 130, menu_media, imgSD, card.isMounted() && !printingIsActive(), COLOR_CONTROL_ENABLED, card.isMounted() && printingIsActive() ? COLOR_BUSY : COLOR_CONTROL_DISABLED));
+    TERN_(SDSUPPORT, add_control(0, 130, menu_media, imgSD, !printingIsActive(), COLOR_CONTROL_ENABLED, card.isMounted() && printingIsActive() ? COLOR_BUSY : COLOR_CONTROL_DISABLED));
   #endif
 }
 

Marlin/src/lcd/tft/ui_480x320.cpp

 
   #if ENABLED(TOUCH_SCREEN)
     add_control(404, 180, menu_main, imgSettings);
-    TERN_(SDSUPPORT, add_control(12, 180, menu_media, imgSD, card.isMounted() && !printingIsActive(), COLOR_CONTROL_ENABLED, card.isMounted() && printingIsActive() ? COLOR_BUSY : COLOR_CONTROL_DISABLED));
+    TERN_(SDSUPPORT, add_control(12, 180, menu_media, imgSD, !printingIsActive(), COLOR_CONTROL_ENABLED, card.isMounted() && printingIsActive() ? COLOR_BUSY : COLOR_CONTROL_DISABLED));
   #endif
 }