)

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## What was changed
<!-- Describe what has changed in this PR -->
Add extended info to the DescribeWorkflow output.
## Why?
<!-- Tell your future self why have you made these changes -->
Customer request.

…-with-start` commands (temporalio#762)

added `temporal workflow start-update-with-start` and `temporal workflow
execute-update-with-start` commands

`temporal workflow start-update-with-start` usage: 
```
    temporal workflow start-update-with-start \
      --update-name YourUpdate \
      --update-input '{"update-key": "update-value"}' \
      --update-wait-for-stage accepted \
      --workflow-id YourWorkflowId \
      --type YourWorkflowType \
      --task-queue YourTaskQueue \
      --id-conflict-policy Fail \
      --input '{"wf-key": "wf-value"}'
  ```


`temporal workflow execute-update-with-start` usage:
  ```
    temporal workflow execute-update-with-start \
      --update-name YourUpdate \
      --update-input '{"update-key": "update-value"}' \
      --workflow-id YourWorkflowId \
      --type YourWorkflowType \
      --task-queue YourTaskQueue \
      --id-conflict-policy Fail \
      --input '{"wf-key": "wf-value"}'
  ```

1. Closes temporalio#664

2. How was this tested:
<!--- Please describe how you tested your changes/how we can test them -->

3. Any docs updates needed?
Yes

## What was changed
quote attribute type in error message 

## Why?
To make whitespace more obvious

---------

Co-authored-by: Rodrigo Zhou <[email protected]>

<!--- Note to EXTERNAL Contributors -->
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If it is a significant code change, please **make sure there is an open
issue** for this.
We work best with you when we have accepted the idea first before you
code. -->

<!--- For ALL Contributors 👇 -->

## What was changed
<!-- Describe what has changed in this PR -->
Check if extended info is not nil.

## Why?
<!-- Tell your future self why have you made these changes -->
temporalio#771
Code assumes that some extended info exists in proto. Which is not true
for older server versions..