Add HAS_MESH conditional

Marlin/Conditionals_post.h

   #define UBL_DELTA  (ENABLED(AUTO_BED_LEVELING_UBL) && (ENABLED(DELTA) || ENABLED(UBL_GRANULAR_SEGMENTATION_FOR_CARTESIAN)))
   #define ABL_PLANAR (ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_3POINT))
   #define ABL_GRID   (ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR))
-  #define HAS_ABL    (ABL_PLANAR || ABL_GRID || ENABLED(AUTO_BED_LEVELING_UBL))
+  #define OLDSCHOOL_ABL         (ABL_PLANAR || ABL_GRID)
+  #define HAS_ABL               (OLDSCHOOL_ABL || ENABLED(AUTO_BED_LEVELING_UBL))
   #define HAS_LEVELING          (HAS_ABL || ENABLED(MESH_BED_LEVELING))
-  #define PLANNER_LEVELING      (ABL_PLANAR || ABL_GRID || ENABLED(MESH_BED_LEVELING) || UBL_DELTA)
+  #define HAS_AUTOLEVEL         (HAS_ABL && DISABLED(PROBE_MANUALLY))
+  #define HAS_MESH              (ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(MESH_BED_LEVELING))
+  #define PLANNER_LEVELING      (OLDSCHOOL_ABL || ENABLED(MESH_BED_LEVELING) || UBL_DELTA)
   #define HAS_PROBING_PROCEDURE (HAS_ABL || ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST))
   #if HAS_PROBING_PROCEDURE
     #define PROBE_BED_WIDTH abs(RIGHT_PROBE_BED_POSITION - (LEFT_PROBE_BED_POSITION))

Marlin/Marlin_main.cpp

     report_current_position();
   }
 
-#elif HAS_ABL && DISABLED(AUTO_BED_LEVELING_UBL)
+#elif OLDSCHOOL_ABL
 
   #if ABL_GRID
     #if ENABLED(PROBE_Y_FIRST)
       SYNC_PLAN_POSITION_KINEMATIC();
   }
 
-#endif // HAS_ABL && !AUTO_BED_LEVELING_UBL
+#endif // OLDSCHOOL_ABL
 
 #if HAS_BED_PROBE
 
 
 #endif // G38_PROBE_TARGET
 
-#if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(MESH_BED_LEVELING)
+#if HAS_MESH
 
   /**
    * G42: Move X & Y axes to mesh coordinates (I & J)
     }
   }
 
-#endif // AUTO_BED_LEVELING_UBL
+#endif // HAS_MESH
 
 /**
  * G92: Set current position to given X Y Z E
         gcode_G92();
         break;
 
-      #if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(MESH_BED_LEVELING)
+      #if HAS_MESH
         case 42:
           gcode_G42();
           break;
           break;
       #endif
 
-      #if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
+      #if HAS_MESH
         case 421: // M421: Set a Mesh Bed Leveling Z coordinate
           gcode_M421();
           break;
   inline bool prepare_move_to_destination_cartesian() {
     if (current_position[X_AXIS] != destination[X_AXIS] || current_position[Y_AXIS] != destination[Y_AXIS]) {
       const float fr_scaled = MMS_SCALED(feedrate_mm_s);
-      #if HAS_LEVELING
+      #if HAS_MESH
         if (planner.leveling_active) {
           #if ENABLED(AUTO_BED_LEVELING_UBL)
             ubl.line_to_destination_cartesian(fr_scaled, active_extruder);
           #endif
           return true;
         }
-      #endif // HAS_LEVELING
+      #endif // HAS_MESH
       line_to_destination(fr_scaled);
     }
     else

Marlin/SanityCheck.h

   /**
    * Require some kind of probe for bed leveling and probe testing
    */
-  #if HAS_ABL && DISABLED(AUTO_BED_LEVELING_UBL)
+  #if OLDSCHOOL_ABL
     #error "Auto Bed Leveling requires one of these: PROBE_MANUALLY, FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or a Z Servo."
   #endif