dvl-a50: mavlink2resthelper: fix incorrect IDs

- `system_id` set to match the vehicle ID, since they should be part of the same system
- `component_id` set to 197 (`MAV_COMP_ID_VISUAL_INERTIAL_ODOMETRY`)

dvl-a50/mavlink2resthelper.py

@@ -30,8 +30,8 @@ def __init__(self, vehicle: int = 1, component: int = 1):
         self.vision_template = """
 {{
   "header": {{
-    "system_id": 255,
-    "component_id": 0,
+    "system_id": """ + str(vehicle) + """,
+    "component_id": 197,
     "sequence": 0
   }},
   "message": {{
@@ -55,8 +55,8 @@ def __init__(self, vehicle: int = 1, component: int = 1):
         self.vision_speed_estimate_template = """
         {{
   "header": {{
-    "system_id": 255,
-    "component_id": 0,
+    "system_id": """ + str(vehicle) + """,
+    "component_id": 197,
     "sequence": 0
   }},
   "message": {{
@@ -83,8 +83,8 @@ def __init__(self, vehicle: int = 1, component: int = 1):
         self.global_vision_position_estimate_template = """
 {{
   "header": {{
-    "system_id": 255,
-    "component_id": 0,
+    "system_id": """ + str(vehicle) + """,
+    "component_id": 197,
     "sequence": 0
   }},
   "message": {{
@@ -126,8 +126,8 @@ def __init__(self, vehicle: int = 1, component: int = 1):
         self.gps_origin_template = """
 {{
   "header": {{
-    "system_id": 255,
-    "component_id": 0,
+    "system_id": """ + str(vehicle) + """,
+    "component_id": 197,
     "sequence": 0
   }},
   "message": {{
@@ -144,8 +144,8 @@ def __init__(self, vehicle: int = 1, component: int = 1):
         self.rangefinder_template = """
 {{
   "header": {{
-    "system_id": 255,
-    "component_id": 0,
+    "system_id": """ + str(vehicle) + """,
+    "component_id": 197,
     "sequence": 0
   }},
   "message": {{
@@ -177,8 +177,8 @@ def __init__(self, vehicle: int = 1, component: int = 1):
         self.statustext_template = """
 {{
   "header": {{
-    "system_id": 1,
-    "component_id": 1,
+    "system_id": """ + str(vehicle) + """,
+    "component_id": 197,
     "sequence": 0
   }},
   "message": {{