Extend invitations to all products, expose swagger doc (under password) and new e2e test

[pcrespov]

Some actions to follow up on the invitations service

Tasks

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1. Remove ops-unfriendly characters in env-vars @pcrespov
2. Expose swagger route on invitations service osparc-ops-environments#183
   a:infra+ops t:enhancement +2
   
3. Create e2e test to check invitations workflow #4538
   e2e +1
   
4. Invitations: Bound invitation to product #4546
   a:invitations t:enhancement +2
   

[pcrespov]

@mrnicegyu11 My part is done here. I assign it back to you.

[mrnicegyu11]

Made a PR, assigning it back to you @pcrespov

[elisabettai]

Basic question, @pcrespov: I can't find the entrypoint to create new invitations when I go to: https://invitations.osparc.io/dev/doc
Am I looking at the wrong place?
cc @mrnicegyu11

[mrnicegyu11]

Hi @elisabettai , good catch this should have reached production but... in the end it didnt, this is a bug. I am now looking into it. I will keep you updated here! Sorry and thanks for letting us know.

[mrnicegyu11]

@elisabettai @pcrespov please disregard my previous message, due to our (a bit hacky) hotfix I got confused w.r.t. the dates and which commits are actually rolled out. This has not (via our regular release procedure) propagated to production yet. it will come in the next production release :)

Sorry for the miscommunication!

[elisabettai]

@mrnicegyu11 can it be tested on staging then?
I went to https://invitations.staging.osparc.io/dev/doc and tried to create a new invitation, but it behaves weirdly (either it gives unauthorized or loads forever).
I can show you at my desk, in case this sounds worrying.

[pcrespov]

@elisabettai FYI note that you need a special user/password to create invitations