ENH: update machine_start_gcode

turn on HB fan before setting the nozzle temp

Signed-off-by: qing.zhang <qing.zhang@bambulab.com>
Change-Id: I55908465055dcd93d274c1d861715cf7b9cbe655

resources/profiles/BBL.json

@@ -1,7 +1,7 @@
 {
     "name": "Bambulab",
     "url": "http://www.bambulab.com/Parameters/vendor/BBL.json",
-    "version": "01.05.00.21",
+    "version": "01.05.00.22",
     "force_update": "0",
     "description": "the initial version of BBL configurations",
     "machine_model_list": [