[Vue] migrate sitesmanager controller and twig templates to Vue components #18564

Description:

This PR is based off of #18562.

Changes:

• Make MatomoUrl.urlQuery/hashQuery public readonly so they can be watched.
• Create ManageGlobalSettings vue component.
• Create SiteManagement vue component.
• related changes.

Review

• [ ] Functional review done
• [ ] Potential edge cases thought about (behavior of the code with strange input, with strange internal state or possible interactions with other Matomo subsystems)
• [ ] Usability review done (is anything maybe unclear or think about anything that would cause people to reach out to support)
• [ ] Security review done
• [ ] Wording review done
• [ ] Code review done
• [ ] Tests were added if useful/possible
• [ ] Reviewed for breaking changes
• [ ] Developer changelog updated if needed
• [ ] Documentation added if needed
• [ ] Existing documentation updated if needed