Update function call to keep in sync with other PR

src/Kaleidoscope/Colormap.cpp

@@ -66,7 +66,7 @@ bool ColormapEffect::focusHook(const char *command) {
 }
 
 bool ColormapEffect::focusHookLayerwise(const char *command) {
-  return ::LEDPaletteTheme.themeFocusHandlerLayerwise(command,
+  return ::LEDPaletteTheme.themeLayerFocusHandler(command,
                                                   PSTR("colormap.layer"),
                                                   map_base_,
                                                   max_layers_);