message: fix(ui): add missing type buffer
diff: <div v-else>
  <v-text-field
  - v-if="!value.list && value.type === 'string'"
  + v-if="
  + !value.list && (value.type === 'string' || value.type === 'buffer')
  + "
  :append-outer-icon="!disable_send ? 'send' : null"
  :suffix="value.unit"
  persistent-hint
  