Move model registry UI away from modals into pages

What does this MR do and why?

Move model registry UI away from modals into pages

• Related to Move model registry UI away from modals for cre... (#498595 - closed)
• A followup for editing modals Move model registry UI away from modals for edi... (#499267 - closed)
• We have a further issue to move to a single vue app for all of model registry

This MR is unfortunately large to unblock further UI work, but it's mainly shuffling code, so if you watch the videos and repeat the functionality, it is quite simply.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Before- modals	After- no modals
create-model-and-version-2024-10-14_10.02.52	create-model-and-versionPAGES-2024-10-15_14.36.59

How to set up and validate locally

• Go to any project
• Go to the left menu "Deploy" and "Model Registry"
• Create models and versions at once, or separately