Fix issue with LAYER ids and bitfields.

include/layers_id_colors_and_visibility.h

@@ -195,8 +195,6 @@ enum GAL_LAYER_ID: int
     LAYER_VIAS_HOLES,           ///< to draw via holes (pad holes do not use this layer)
     LAYER_DRC,                  ///< drc markers
     LAYER_WORKSHEET,            ///< worksheet frame
-    LAYER_WORKSHEET_PAGE1,      ///< for pageLayout editor previewing
-    LAYER_WORKSHEET_PAGEn,      ///< for pageLayout editor previewing
     LAYER_GP_OVERLAY,           ///< general purpose overlay
     LAYER_SELECT_OVERLAY,       ///< currently selected items overlay
     LAYER_PCB_BACKGROUND,       ///< PCB background color
@@ -208,6 +206,9 @@ enum GAL_LAYER_ID: int
     /// There can be at most 32 layers above here.
     GAL_LAYER_ID_BITMASK_END,
 
+    LAYER_WORKSHEET_PAGE1,      ///< for pageLayout editor previewing
+    LAYER_WORKSHEET_PAGEn,      ///< for pageLayout editor previewing
+
     /// Add new GAL layers here
 
     GAL_LAYER_ID_END