LULZBOT_TOUCH_UI fixes. Fix some warnings. (#15276)

Marlin/src/core/macros.h

Marlin/src/feature/pause.cpp

Marlin/src/lcd/dogm/status_screen_lite_ST7920.cpp

..._ui/lib/lulzbot/ftdi_eve_lib/extended/command_processor.h

..._ui/lib/lulzbot/ftdi_eve_lib/extended/unicode/unicode.cpp

...src/lcd/extensible_ui/lib/lulzbot/screens/base_screen.cpp

...tensible_ui/lib/lulzbot/screens/bio_advanced_settings.cpp

...nsible_ui/lib/lulzbot/screens/bio_printing_dialog_box.cpp

...d/extensible_ui/lib/lulzbot/screens/bio_status_screen.cpp

...tensible_ui/lib/lulzbot/screens/dialog_box_base_class.cpp

...xtensible_ui/lib/lulzbot/screens/endstop_state_screen.cpp

...rc/lcd/extensible_ui/lib/lulzbot/screens/files_screen.cpp

Marlin/src/lcd/extensible_ui/lib/lulzbot/screens/screens.h

.../extensible_ui/lib/lulzbot/screens/spinner_dialog_box.cpp

...c/lcd/extensible_ui/lib/lulzbot/screens/status_screen.cpp

Marlin/src/lcd/extensible_ui/ui_api.cpp