Fix update table list of columns limit

[AndyRae]

Changes

Fixes the number of fields shown to the user, this was broken as pagination to this endpoint was added.

Adds a API util that enables fetching all results from an endpoint - and implemented this for a Scan Reports Fields.

Closes #763

Checks

Important: please complete these before merging.

• [x] Run migrations, if any.
• [x] Update changelog.md, including migration instructions if any.
• [x] Run unit tests.

[github-actions[bot]]

Tests	Skipped	Failures	Errors	Time
25	1 :zzz:	1 :x:	0 :fire:	4.483s :stopwatch: