Fix compliance report prev button always returning to first page

What does this MR do and why?

This MR resolves a typebug where clicking on Prev always returned to the first page results as described in #356422 (closed).

This feature is hidden behind a default off feature flag.

Other known bugs:

• [Bug] Compliance violations merged_before/merge... (#356389 - closed)
• [Bug] Compliance violations pagination doesn't ... (#356408 - closed)

Screenshots or screen recordings

Screen_Recording_2022-03-22_at_14.42.41

How to set up and validate locally

1. Have a GitLab Ultimate license.
2. Checkout the branch from this MR !82989 (merged)
3. Follow the setup steps in the MR above to generate violations.
4. Checkout this branch 356422-bug-compliance-violations-clicking-prev-always-returns-to-first-page.
5. View the report at [GDK_HOST]/groups/[GROUP]/-/security/compliance_dashboard.
6. Click Next at least twice.
7. Click Prev and confirm that you are on the previous page and not the first page.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #356422 (closed)