Add ezspVersion to network backup metadata

bellows/zigbee/application.py

@@ -356,6 +356,8 @@ async def load_network_info(self, *, load_devices=False) -> None:
                     "flow_control": (
                         flow_control.name.lower() if flow_control is not None else None
                     ),
+                    # Z2M will not load EZSP backups without this internal key
+                    "ezspVersion": ezsp.ezsp_version,
                 },
             },
         )

tests/test_application.py

@@ -545,7 +545,7 @@
     ),
 )
 def test_send_failure(app, aps, ieee, msg_type):
     fut = app._pending_requests[(0xBEED, 254)] = asyncio.Future()
     app.ezsp_callback_handler(
         "messageSentHandler", [msg_type, 0xBEED, aps, 254, t.EmberStatus.SUCCESS, b""]
     )
@@ -1995,6 +1995,7 @@
                     "can_burn_userdata_custom_eui64": True,
                     "can_rewrite_custom_eui64": True,
                     "chip_info": None,
+                    "ezspVersion": 8,
                 }
             },
         ),