chore(color): Libopenui refactor (#3614)

* Refactor object creation logic.
Remove unused LVGL features.

* Remove unused files.
Fix height for widgets.

* Rename 'OpenTxTheme' class to 'EdgeTxTheme'.
Cleanup commented out code.
Cleanup unused code from 'etx_lv_theme.cpp'.

* More cleanup.

* Move more style code to etx_lv_theme.cpp

* Update license

* Make default button height match other controls.

* Fix curve edit layout.

* Fix layouts.

* FormWindow and FormGroup provided identical functionality - rename FormGroup to FormWindow and remove duplicate.

* Simplify menu icon handling.
Remove unused 'flysky.cpp' file.

* Fix window size change.

* Simplify page header code.
Fix statistics view page.

* Remove unused file.
Replace redundant 'Subtitle' class with a macro.
Fix compiler warnings.

* Fix compiler warning in LvglWrapper.cpp.
Remove unused code in static.h.
Simplify about page.

* Rename ICON_OPENTX to ICON_EDGETX.

* Fix github build error.

* Fix github build error (attempt 2).

* Move ButtonMatrix styling to etx_lv_theme.cpp.

* Scroll bar consistency.

* Use styles for ButtonMatrix text color.

* Use 'active' color for selected USB advanced setup buttons. Move error message to bottom of page.

* Create style for popup window title bar.
Simplify advanced USB setup code.
Remove unused libopenui/carousel.* files.

* Add style for modal popup content.

* Remove unused BUTTON_BACKGROUND flag.

* Replace GridLayout with FormWindow. Remove unused gridlayout.h file.

* Fix rebase.

* Merge ChoiceEx class into Choice class code.
Remove unused CurveKeyboard.

* Use LVGL bar for progress indicator.
Update only style colors when theme changes (don't recreate all style settings).

* Move ProgressDialog class to dlalog.h/dialog.cpp files.

* Simplify trim and slider code in main view.
Simplify the hardware inputs code.
Fix dialog size.
Remove unused code in layout factory.

* Cleanup unused code.

* Add style for FormWindow class.
Merge BaseNumberEdit class into NumberEdit class and remove BaseNumberEdit.
Remove more unused files.
Cleanup libopenui_config.h files.

* Re-organise libopenui include files to fix build error.

* Fix build error.

* Add missed styles to etx_lv_theme.cpp.
Delete commented out #includes.
More cleaning up of libopenui_xxx.h files and dependencies.
Re-enable LVGL CHECKBOX feature.

* Merge libopenui_helpers.h into opentx_helpers.h file.

* Fix firmware build.

* Use object constructors for LVGL object creation as suggested by gagarinlg.
Add style for number edit text alignment.
Fix background color for focussed control.

* Move color related stuff from libopenui_defines.h to colors.h.
Remove need for libopenui_depends.h file.

* Merge libopenui_types.h content into opentx_types.h file.

* Rename CheckBox class to ToggleSwitch.

* Restore code to update flight mode text color when theme changes.

* Cleanup some more unused code.

* Remove redundant theme.h file.

* Fix rebase.

* Fix button matrix style.

* Fix rebase

* Fix rebase

* Ensure correct initialisation of Choice object.

* Fix rebase.

* Make the slider control bigger to make touch activation easier.

* Fix build error.

* Fix slider logic and cleanup code.

* Use ACTIVE theme color for inputs, mixes, LS, GV and SF.

* Improved border width consistency and focussed state consistency.

* Remove duplicate copy of the default theme colors.

radio/src/lua/lua_api.h

@@ -73,7 +73,6 @@ extern bool luaLcdAllowed;
 
 #define INVERS     0x01u
 #define BLINK    0x1000u
-#define RGB_FLAG 0x8000u
 
 extern bool luaLcdAllowed;