Revert "Revert "Main gui 개선""

d23004

2023-05-24 fa87a558389d9d425f70afa1c8de54c69875ef2c

 SA_LTT_UI/SA_LTT_UI/Resources/SVG_Icon/GroupBox_Header_Icon.svg

새 파일
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<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M5.88235 5.77778V18.2222H7.76471V20H4V4H7.76471V5.77778H5.88235ZM20 7.55556H7.76471V9.33333H20V7.55556ZM20 11.1111H7.76471V12.8889H20V11.1111ZM20 14.6667H7.76471V16.4444H20V14.6667Z" fill="white"/>
</svg>