chore: post-sync cleanup and clang-format

- Remove stale Lyra3CoversTheme.h (functionality merged into LyraTheme)
- Fix UITheme.cpp to use LyraTheme for LYRA_3_COVERS theme variant
- Update open-x4-sdk submodule to 91e7e2b (drawImageTransparent support)
- Run clang-format on all source files

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/GfxRenderer/GfxRenderer.cpp

@@ -756,10 +756,8 @@ void GfxRenderer::displayBuffer(const HalDisplay::RefreshMode refreshMode) const
 }
 
 // EXPERIMENTAL: Display only a rectangular region with specified refresh mode
-void GfxRenderer::displayWindow(int x, int y, int width, int height,
-                                HalDisplay::RefreshMode mode) const {
-  LOG_DBG("GFX", "Displaying window at (%d,%d) size (%dx%d) with mode %d", x, y, width, height,
-          static_cast<int>(mode));
+void GfxRenderer::displayWindow(int x, int y, int width, int height, HalDisplay::RefreshMode mode) const {
+  LOG_DBG("GFX", "Displaying window at (%d,%d) size (%dx%d) with mode %d", x, y, width, height, static_cast<int>(mode));
 
   // Validate bounds
   if (x < 0 || y < 0 || x + width > getScreenWidth() || y + height > getScreenHeight()) {
@@ -767,9 +765,8 @@ void GfxRenderer::displayWindow(int x, int y, int width, int height,
     return;
   }
 
-  display.displayWindow(static_cast<uint16_t>(x), static_cast<uint16_t>(y),
-                        static_cast<uint16_t>(width), static_cast<uint16_t>(height), mode,
-                        fadingFix);
+  display.displayWindow(static_cast<uint16_t>(x), static_cast<uint16_t>(y), static_cast<uint16_t>(width),
+                        static_cast<uint16_t>(height), mode, fadingFix);
 }
 
 std::string GfxRenderer::truncatedText(const int fontId, const char* text, const int maxWidth,