[feat]: sets page size for users to 1000 in toewijzen aan feature

[joeyamst]

Ticket: SIG-1234

Signalen

• Includes AI-assisted code via GitHub Copilot

Before opening a pull request, please ensure:

• Make sure your PR title follows naming conventions: [feat-1234]: name feature
• Double-check your branch is based on main and targets main
• Pull request has tests (we are going for 100% coverage!)
• Code is well-commented, linted and follows project conventions
• Committed source code is headed by the correct SPDX license expression

Be kind to code reviewers, please try to keep pull requests as small and focused as possible :)