fix: without email speaker going to my-session

[maze-runnar]

Fixes #5342
email is also required relation like track, so both needs to be make optional on server. That's why setting newSpeaker 'email' to " " .

Checklist

• I have read the Contribution & Best practices Guide.
• My branch is up-to-date with the Upstream development branch.
• The acceptance, integration, unit tests and linter pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

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[codecov]

Codecov Report

Merging #5751 (92a4edf) into development (9d41e9e) will not change coverage.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##           development    #5751   +/-   ##
============================================
  Coverage        23.42%   23.42%           
============================================
  Files              512      512           
  Lines             5469     5469           
  Branches            65       65           
============================================
  Hits              1281     1281           
  Misses            4171     4171           
  Partials            17       17           

Impacted Files	Coverage Δ
app/controllers/events/view/sessions/create.js	0.00% <0.00%> (ø)
app/controllers/events/view/sessions/edit.js	0.00% <0.00%> (ø)

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[iamareebjamal]

null

[iamareebjamal]

Is it working correctly?

[NaviRocker]

Squash your Commits

[mariobehling]

To ensure we understand the feature in the same way:

1. Email is always required for speakers filling in the call for speakers.
2. This can be overriden by the organizer, if they fill in a session submission themselves.

[maze-runnar]

This can be overriden by the organizer, if they fill in a session submission themselves.

Means organizer can set email to null?

[maze-runnar]

server is giving 422 now:

{"errors": [{"status": 422, "source": {"pointer": "/data/attributes"}, "title": "Unprocessable Entity", "detail": "Missing required fields ['email']"}], "jsonapi": {"version": "1.0"}}

[iamareebjamal]

Yes, only organizers can override email to null