message: fix(frontend): fixes 404 branch page
diff: <template>
  <div>
  <portal to="streamTitleBar">
  - <div>
  + <div v-if="stream && stream.branch">
  <v-icon small class="mr-1">mdi-source-branch</v-icon>
  <span class="space-grotesk" style="max-width: 80%">{{ stream.branch.name }}</span>
  <span class="caption ml-2 mb-2 pb-2">{{ stream.branch.description }}</span>
  loggedInUserId &&
  stream &&
  stream.role !== 'stream:reviewer' &&
  + stream.branch &&
  stream.branch.name !== 'main'
  "
  color="primary"
  </no-data-placeholder>
  </v-row>
  <v-row v-if="!$apollo.loading && (error || stream.branch === null)">
  + <v-col cols="11">
  <error-placeholder error-type="404">
  - <h2>{{ error || `Branch ${$route.params.branchName} does not exist.` }}</h2>
  + <h2>{{ error || `Branch "${$route.params.branchName}" does not exist.` }}</h2>
  </error-placeholder>
  + </v-col>
  </v-row>
  </div>
  </template>
  