Re-enabled the Z Offset graphics overlay.

- Re-enabled the Z offset graphics overlay that was pushed to upstream Marlin by us.
- Restored the look of the arrows since upstream decided to change it and introduced some missed pixels in the process.

Marlin/Conditionals_LulzBot.h

@@ -13,7 +13,7 @@
  * got disabled.
  */
 
-#define LULZBOT_FW_VERSION ".1" // Change this with each update
+#define LULZBOT_FW_VERSION ".2" // Change this with each update
 
 #if ( \
     !defined(LULZBOT_Gladiola_Mini) && \
@@ -1823,6 +1823,8 @@
     #endif
     #define LULZBOT_LCD_SET_PROGRESS_MANUALLY
     #define LULZBOT_SCROLL_LONG_FILENAMES
+    #define LULZBOT_BABYSTEP_ZPROBE_GFX_OVERLAY
+    #define LULZBOT_THIN_OVERLAY_ARROWS
 #endif
 
 /* Marlin requires static PSTRs to display on the LCD display, because of this */

Marlin/Configuration_adv.h

@@ -676,7 +676,7 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
-  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  #define BABYSTEP_ZPROBE_GFX_OVERLAY LULZBOT_BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
 #endif
 
 // @section extruder

Marlin/dogm_bitmaps.h

@@ -474,6 +474,7 @@
 
 #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) || ENABLED(MESH_EDIT_GFX_OVERLAY)
 
+  #if !defined(LULZBOT_THIN_OVERLAY_ARROWS)
   const unsigned char cw_bmp[] PROGMEM = {
     0x03,0xF8,0x00, // 000000111111100000000000
     0x0F,0xF7,0x00, // 000011111111111000000000
@@ -511,6 +512,7 @@
     0x07,0xFF,0x00, // 000001111111111100000000
     0x01,0xFC,0x00  // 000000011111110000000000
   };
+  #endif
 
   const unsigned char up_arrow_bmp[] PROGMEM = {
     0x04,0x00, // 000001000000

Marlin/dogm_bitmaps_LulzBot.h

@@ -122,86 +122,4 @@ const unsigned char ccw_bmp[] PROGMEM = { //AVR-GCC, WinAVR
   0x00,0x00,0x80,
   0x03,0x03,0x00,
   0x01,0xfe,0x00
-};
-
-const unsigned char up_arrow_bmp[] PROGMEM = { //AVR-GCC, WinAVR
-   /*0000 0110 0000
-     0000 1111 0000
-     0001 1111 1000
-     0011 1111 1100
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000*/
-
-	0x06,0x00,
-	0x0F,0x00,
-	0x1F,0x80,
-	0x3F,0xC0,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00,
-	0x06,0x00
-};
-
-const unsigned char down_arrow_bmp[] PROGMEM = { //AVR-GCC, WinAVR
-   /*0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0000 0110 0000
-     0011 1111 1100
-     0001 1111 1000
-     0000 1111 0000
-     0000 0110 0000*/
-
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x06,0x00,
-     0x3F,0xC0,
-     0x1F,0x80,
-     0x0F,0x00,
-     0x06,0x00
-};
-
-const unsigned char offset_bedline_bmp[] PROGMEM = { //AVR-GCC, WinAVR
-   //1111 1111 1111 1111 1111 1111
-
-     0xFF,0xFF,0xFF
-};
-
-const unsigned char nozzle_bmp[] PROGMEM = { //AVR-GCC, WinAVR
-	0x7F,0x80,
-	0xFF,0xC0,
-	0xFF,0xC0,
-	0xFF,0xC0,
-	0x7F,0x80,
-	0x7F,0x80,
-	0xFF,0xC0,
-	0xFF,0xC0,
-	0xFF,0xC0,
-	0x3F,0x00,
-	0x1E,0x00,
-	0x0C,0x00
 };