Frontend: use a wind-power icon for the Streaming nav entry

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -15,7 +15,7 @@ import SwitchCameraIcon from "@mui/icons-material/SwitchCamera";
 import GridOnIcon from "@mui/icons-material/GridOn";
 import BoltIcon from "@mui/icons-material/Bolt";
 import SaveIcon from "@mui/icons-material/Save";
-import HubIcon from "@mui/icons-material/Hub";
+import WindPowerIcon from "@mui/icons-material/WindPower";
 import StraightenIcon from "@mui/icons-material/Straighten";
 import DeveloperBoardIcon from "@mui/icons-material/DeveloperBoard";
 import OpenInNewIcon from "@mui/icons-material/OpenInNew";
@@ -191,7 +191,7 @@ function App() {
                     <InstrumentMetadata s={s.instrument_metadata}/>
                 </Stack>
             )},
-            { id: 'streaming', label: 'Streaming', icon: <HubIcon/>, render: () => (
+            { id: 'streaming', label: 'Streaming', icon: <WindPowerIcon/>, render: () => (
                 <Stack spacing={2}>
                     <ZeroMQPreview s={s.zeromq_preview}/>
                     <ImagePusherStatus s={s.image_pusher}/>