[FIX #1209] resources/js: wrap undefined responses from jail in a String

[vitvly]

Addresses #1209.

Summary:

Sometimes jail returns responses as 'undefined'. These are not getting displayed in the chat screen. Adding 'undefined' as a string instead of a value ensures that it will be added to the result under :message-text key instead of being dropped. Hence, it will be displayed on screen in the chat window.

Steps to test:

• Open Status
• Open Console
• Type any text that will refer to undefined endpoint, e.g. web3.abcd
• Actual result: no response from Console
• Expected result: should see 'undefined', same as when issuing the same command in Geth for instance

status: ready

[oskarth]

Hey @siphiuel and thank you for your contribution! Can you please fill out the PR template (https://github.com/status-im/status-react/blob/develop/.github/PULL_REQUEST_TEMPLATE.md)? Specifically with a link to the issue, how to test it and whether it is ready or not. Thanks!

[oskarth]

@siphiuel

Adding 'undefined' as a string instead of a value

What about defaulting to the empty string "" instead?

[vitvly]

Whatever is best from user's perspective.

Printing 'undefined' is what Geth does in this case, so I wanted to replicate that in Console.

[janherich]

I'm good with this as a quick fix, however, the whole console bot partially implemented in jail and partially in cljs is a mess a we will likely change it substantially once new on-boarding process and better, simplified JailAPI are finalised.