[2.0.x] stow bltouch before start homing (#10987)

Marlin/src/gcode/calibrate/G28.cpp

@@ -39,7 +39,7 @@
   #include "../../feature/tmc_util.h"
 #endif
 
-#if HOMING_Z_WITH_PROBE
+#if HOMING_Z_WITH_PROBE || ENABLED(BLTOUCH)
   #include "../../module/probe.h"
 #endif
 
@@ -190,6 +190,10 @@ void GcodeSuite::G28(const bool always_home_all) {
     workspace_plane = PLANE_XY;
   #endif
 
+  #if ENABLED(BLTOUCH)
+    set_bltouch_deployed(false);
+  #endif
+
   // Always home with tool 0 active
   #if HOTENDS > 1
     #if DISABLED(DELTA) || ENABLED(DELTA_HOME_TO_SAFE_ZONE)