Demo Client Release notes 0.23.0 (2021-06-23)

The app had previously been ejected from create-react-app, but now we moved back in! This comes with many dependency updates, a Typescript update, and many linting fixes. We also moved from node-sass (deprecated) to sass (#368) (524443d)

Remove unused imports (a5cac60)
Use the new KILT logos throughout the demo-client and in docs (a2dbc16)
Using sdk release 0.22.0, which imports the latest polkadot dependencies (38ec0de), which now requires node > v14 and some adjustments on the jest config for esm support.

We now no longer deploy the demo-client to mashnet on release (#351) (027fb0a). The image is still built and pushed to ECR, please set it manually to deploy.
Change release hook to "released" (af946f3), which triggers the release build when you publish a draft release
The default behaviour of create-react-app is to fail CI builds on (eslint) warnings; we disabled this (7b028cd)
Use node 14 in workflows, required by latest sdk version (ce32a59)

The UI would block with an endless loading screen in some scenarios where CType creation failed. This is now handled correctly (29199c2)
Also improved error handling for DID creation (13879b2)
Revoced delegation nodes were not displayed as revoked on attestation requests, which was fixed by enforcing ViewType setting (65fe6d3) and fixing some incorrect defaultProps syntax (df1321a)
Addresses were truncated at 20 digits without signaling this omission (03ee409)
The now fully displayed addresses were overflowing non-blocking notifications; word-break has been added to fix this e5a6019

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