Add Arabic text shaping support for chat functionality
This commit introduces Arabic text shaping in the chat application by adding `ArabicShaping.cpp` and `ArabicShaping.h` for handling contextual forms and visual reordering. The rendering logic in `ChatScreen.cpp` is updated to utilize this new functionality, adjusting cursor positions accordingly. Other UI components, including `UIControl_Base.cpp`, `UIControl_Label.cpp`, and `UIControl_SaveList.cpp`, are modified to ensure proper display of Arabic text. Additionally, `Font.cpp` is enhanced with methods for efficient rendering of pre-shaped text.
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@@ -16,5 +16,6 @@ public:
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void drawCenteredString(Font *font, const wstring& str, int x, int y, int color);
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void drawString(Font *font, const wstring& str, int x, int y, int color);
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void drawStringLiteral(Font* font, const wstring& str, int x, int y, int color);
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void drawStringPreshaped(Font* font, const wstring& str, int x, int y, int color);
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void blit(int x, int y, int sx, int sy, int w, int h);
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};
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