add the move_z_after_probing() functionality to UBL's G29 J

Marlin/ubl_G29.cpp

@@ -1559,7 +1559,10 @@
             incremental_LSF(&lsf_results, PROBE_PT_3_X, PROBE_PT_3_Y, measured_z);
           }
         }
-
+        STOW_PROBE();
+        #ifdef Z_AFTER_PROBING
+          move_z_after_probing();
+        #endif
         if (abort_flag) {
           SERIAL_ECHOPGM("?Error probing point.  Aborting operation.\n");
           return;
@@ -1615,9 +1618,12 @@
 
           zig_zag ^= true;
         }
-        STOW_PROBE();
       }
-
+      STOW_PROBE();
+      #ifdef Z_AFTER_PROBING
+        move_z_after_probing();
+      #endif
+      
       if (abort_flag || finish_incremental_LSF(&lsf_results)) {
         SERIAL_ECHOPGM("Could not complete LSF!");
         return;