Updated Space Create dialog with "Create as"

[SimoneZaza]

Description

As a user who is also admin of an org, I want to have clarity about how I'm creating a Space: as myself or as my org. Also, I want to be able to switch between the two when I'm creating a SPace from my Dashboard.

Acceptance criteria

• [ ] Add visuals block
• [ ] Add tutorials switch
• [ ] When user has privileges for multiple accounts, Add hr and below "Create as" dropdown, listing the accounts the user has the create_space privilege in
• [ ] …

Additional Context

https://www.figma.com/design/v3CNv8FvJEEzOYsdEyE0t4/Create-Space-Flow-(update)?node-id=3-879&t=UMq4do3ru1Fxgdxf-1

Areas that will be affected

To be added during the refinement