Enhanced Zephyr Display and Widget Functionality

Enhanced Zephyr Display and Widget Functionality
*   Zephyr Display Improvements
:
*   Enhanced LCD text widget with alignment and background color options.
*   Fixed LCD display screen color issues.
*   Resolved Zephyr screen switching problems.
*   Implemented functionality to clear Zephyr graph widget nodes.
*   Simulator
: Fixed an issue with the line chart display.