FIX: fix some issue in sending files to external storage through cloud

JIRA: STUDIO-9372 STUDIO-9374 STUDIO-9368
If the printer version does not support uploading, the original protocol
will be used

Change-Id: I3d47ac2567c2c6709a5b983ff1ad552d9a8606d4
(cherry picked from commit b8dde8ae7f4f5883fc163c57bb607a08ecdabf2b)

src/slic3r/GUI/DeviceManager.cpp

@@ -5562,6 +5562,7 @@ void MachineObject::parse_new_info(json print)
         is_support_nozzle_blob_detection = get_flag_bits(fun, 13);
         is_support_upgrade_kit = get_flag_bits(cfg, 14);
         is_support_command_homing = get_flag_bits(fun, 32);
+        is_support_brtc = get_flag_bits(fun, 31);
     }
 
     /*aux*/

src/slic3r/GUI/DeviceManager.hpp

@@ -870,6 +870,7 @@ public:
     bool is_support_agora{false};
     bool is_support_upgrade_kit{false};
     bool is_support_command_homing { false };// fun[32]
+    bool is_support_brtc { false }; // fun[31], support tcp and upload protocol
 
     bool installed_upgrade_kit{false};
     int  nozzle_max_temperature = -1;