[Keyboard] Update effects for Keychron Q2 (#19685)

keyboards/keychron/q2/config.h

@@ -103,4 +103,7 @@
 #define ENABLE_RGB_MATRIX_SPLASH
 // #define ENABLE_RGB_MATRIX_MULTISPLASH
 #define ENABLE_RGB_MATRIX_SOLID_SPLASH
-#define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
+// #define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
+
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_MATRIX_FRAMEBUFFER_EFFECTS