refactor: update SGID scope and POCDEX profile field names

[KishenKumarrrrr]

Problem

The SGID team made some breaking changes to the POCDEX login flow, as such in this PR, I have updated our BE and FE code to adhere to the newest changes.

Solution

• POCDEX scope has changed from pocdex.public_officer_employments to pocdex.public_officer_details
• The structure of data from the POCDEX scope has changed as well. The fields are now snake_case instead of camelCase

[jia1]

@KishenKumarrrrr is sgID broken now, despite us not changing the versions?

If so, that's rather unacceptable.

[jia1]

Have asked Kishen. According to Kishen, the sgID team is maintaining both arrangements within the same client version. So we're good!

[KishenKumarrrrr]

We no longer need to do this.