message: Fix Selectors to not give error if not fetched yet
diff: @@ -138,7 +138,7 @@ const getTopicName = (_: RootState, topicName: TopicName) => topicName;
  export const getTopicByName = createSelector(
  getTopicMap,
  getTopicName,
  - (topics, topicName) => topics[topicName]
  + (topics, topicName) => topics[topicName] || {}
  );
  export const getPartitionsByTopicName = createSelector(
  @@ -201,9 +201,8 @@ export const getIsTopicInternal = createSelector(
  );
  export const getTopicConsumerGroups = createSelector(
  - getTopicMap,
  - getTopicName,
  - (topics, topicName) => topics[topicName].consumerGroups || []
  + getTopicByName,
  + ({ consumerGroups }) => consumerGroups || []
  );
  export const getMessageSchemaByTopicName = createSelector(
  