Fix G60/G61 slots > 8 and compile error (#16715)

Marlin/src/gcode/feature/pause/G60.cpp

   }
 
   stored_position[slot] = current_position;
-  SBI(saved_slots, slot);
+  SBI(saved_slots[slot >> 3], slot & 0b00000111);
 
   #if ENABLED(SAVED_POSITIONS_DEBUG)
     const xyze_pos_t &pos = stored_position[slot];

Marlin/src/gcode/feature/pause/G61.cpp

 #if SAVED_POSITIONS
 
 #include "../../../core/language.h"
-#include "../../module/planner.h"
+#include "../../../module/planner.h"
 #include "../../gcode.h"
 #include "../../../module/motion.h"
 
   #endif
 
   // No saved position? No axes being restored?
-  if (!TEST(saved_slots, slot) || !parser.seen("XYZ")) return;
+  if (!TEST(saved_slots[slot >> 3], slot & 0b00000111) || !parser.seen("XYZ")) return;
 
   // Apply any given feedrate over 0.0
   const float fr = parser.linearval('F');

Marlin/src/module/motion.cpp

 
 // G60/G61 Position Save and Return
 #if SAVED_POSITIONS
-  uint8_t saved_slots;
+  uint8_t saved_slots[(SAVED_POSITIONS + 7) >> 3];
   xyz_pos_t stored_position[SAVED_POSITIONS];
 #endif
 

Marlin/src/module/motion.h

 
 // G60/G61 Position Save and Return
 #if SAVED_POSITIONS
-  extern uint8_t saved_slots;
+  extern uint8_t saved_slots[(SAVED_POSITIONS + 7) >> 3];
   extern xyz_pos_t stored_position[SAVED_POSITIONS];
 #endif