[Port dspace-8_x] ORCID Login flow for private emails

[vins01-4science]

Please note that this development has been funded by the ORCID Global Participation Fund.

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main version #3355
dspace-7_x version #3347

References

• Fixes Can't log in with ORCID if ORCID email address is set to private DSpace#9087 (if this fixes an issue ticket)
• Related to [port dspace-8_x] Enhanced Login flow for ORCID Authorization feature RestContract#293
• Requires [Port dspace-8_x] ORCID Login flow for private emails DSpace#9847

Description

Reference the description in #3347

Checklist

• My PR is created against the main branch of code (unless it is a backport or is fixing an issue specific to an older branch).
• My PR is small in size (e.g. less than 1,000 lines of code, not including comments & specs/tests), or I have provided reasons as to why that's not possible.
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