Fix mesh bounds for MBL

Marlin/src/inc/Conditionals_post.h

 #ifndef MIN_PROBE_EDGE
   #define MIN_PROBE_EDGE 0
 #endif
+
 #ifndef NOZZLE_TO_PROBE_OFFSET
   #define NOZZLE_TO_PROBE_OFFSET { 0, 0, 0 }
 #endif
-constexpr float nozzle_to_probe_offset[XYZ] = NOZZLE_TO_PROBE_OFFSET;
 
 #if ENABLED(DELTA)
   /**
     #define _MESH_MAX_Y (Y_MAX_BED - (MESH_INSET))
   #else
     // Boundaries for Cartesian probing based on set limits
-    #if ENABLED(AUTO_BED_LEVELING_UBL)
+    #if EITHER(MESH_BED_LEVELING, AUTO_BED_LEVELING_UBL)
       #define _MESH_MIN_X (_MAX(X_MIN_BED + MESH_INSET, X_MIN_POS))  // UBL is careful not to probe off the bed.  It does not
       #define _MESH_MIN_Y (_MAX(Y_MIN_BED + MESH_INSET, Y_MIN_POS))  // need NOZZLE_TO_PROBE_OFFSET in the mesh dimensions
       #define _MESH_MAX_X (_MIN(X_MAX_BED - (MESH_INSET), X_MAX_POS))

Marlin/src/module/probe.h

 
 #if HAS_BED_PROBE
 
+  constexpr float nozzle_to_probe_offset[XYZ] = NOZZLE_TO_PROBE_OFFSET;
+
   extern float probe_offset[XYZ];
+
   bool set_probe_deployed(const bool deploy);
   #ifdef Z_AFTER_PROBING
     void move_z_after_probing();