Combined social network field

What does this MR do?

We wanted to make the social network fields more tidy and organized. Thus we merged all the social network fields into one drop-menu where the user can select the field he/she wants to update and edit it. Also, orcid is added as a social network field.

What are the relevant issue numbers?

#43379 (moved) #26918 (moved)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated via this MR
• Documentation reviewed by technical writer or follow-up review issue created
• Tests added for this feature/bug
• Tested in all supported browsers
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.
• Security reports checked/validated by reviewer