Added a create collection to add to collection

[tanav29]

Issue:

Fixes #3794

Create Collection Option in “Add to Collection” Modal

• The modal presents an empty state without any affordance
• Breaks user flow and increases friction
• Especially confusing for new users who don’t yet know where collections are created

Demo:

screenrecording-2026-09-03_22-51-19.mp4

Changes:

• Added the same create collections button with modal on /collections
• Added a prop to createCollection() in <CollectionCreate /> that blocks redirect

I have verified that this pull request:

• has no linting errors (npm run lint)
• has no test errors (npm run test)
• has no typecheck errors (npm run typecheck)
• is from a uniquely-named feature branch and is up to date with the develop branch.
• is descriptively named and links to an issue number, i.e. Fixes #123
• meets the standards outlined in the accessibility guidelines