fix: fix ui updates

app/src/decoders/SparkplugBDecoder.ts

@@ -0,0 +1,28 @@
+import { Base64Message } from '../../../backend/src/Model/Base64Message'
+import { Decoder } from '../../../backend/src/Model/Decoder'
+import { get } from 'sparkplug-payload'
+import { MessageDecoder } from './MessageDecoder'
+var sparkplug = get('spBv1.0')
+
+export const SparkplugDecoder: MessageDecoder = {
+  formats: ['Sparkplug'],
+  canDecodeTopic(topic: string) {
+    return !!topic.match(/^spBv1\.0\/[^/]+\/[ND](DATA|CMD|DEATH|BIRTH)\/[^/]+(\/[^/]+)?$/u)
+  },
+  decode(input: Base64Message): Base64Message {
+    try {
+      const message = Base64Message.fromString(
+        JSON.stringify(
+          // @ts-ignore
+          sparkplug.decodePayload(new Uint8Array(input.toBuffer()))
+        )
+      )
+      message.decoder = Decoder.SPARKPLUG
+      return message
+    } catch {
+      const message = new Base64Message(undefined, 'Failed to decode sparkplugb payload')
+      message.decoder = Decoder.NONE
+      return message
+    }
+  },
+}