Don't enable lcd update in lcd_show_fullscreen_message_and_wait_P(). Don't show menu in wizard when ejecting filament.

Firmware/mmu.cpp

@@ -1020,16 +1020,16 @@ void mmu_eject_filament(uint8_t filament, bool recover)
                 current_position[E_AXIS] -= 80;
                 plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 2500 / 60, active_extruder);
                 st_synchronize();
-			}
-
-			mmu_command(MMU_CMD_E0 + filament);
-			manage_response(false, false);
-			if (recover)
-			{
-				lcd_show_fullscreen_message_and_wait_P(_i("Please remove filament and then press the knob."));
-				mmu_command(MMU_CMD_R0);
-				manage_response(false, false);
-			}
+                mmu_command(MMU_CMD_E0 + filament);
+                manage_response(false, false);
+                if (recover)
+                {
+                    lcd_show_fullscreen_message_and_wait_P(_i("Please remove filament and then press the knob."));
+                    mmu_command(MMU_CMD_R0);
+                    manage_response(false, false);
+                }
+
+            }
 		}
 		else
 		{

Firmware/ultralcd.cpp

@@ -3244,6 +3244,7 @@ const char* lcd_display_message_fullscreen_P(const char *msg)
  */
 void lcd_show_fullscreen_message_and_wait_P(const char *msg)
 {
+    LcdUpdateDisabler lcdUpdateDisabler;
     const char *msg_next = lcd_display_message_fullscreen_P(msg);
     bool multi_screen = msg_next != NULL;
 	lcd_set_custom_characters_nextpage();