Allow users to close or dismiss the new workspace with options modal when opening the modal from the projects page

[gtsiolis]

Problem to solve

Following up from #15668 and the feedback in #15668 (comment), 🅰️ the current UX when a user is clicking on the New Workspace ... menu option from the project card is redirecting the user to the workspace start page to show the start with options modal.

In contrast, 🅱️ when clicking CMD+O on the projects list the new workspace with options modal is overlapping the content and you can dismiss or close the modal by clicking the X button on the modal or pressing ESC.

Usually, for a modal component, there should always be multiple ways to close or dismiss this type of modal.

Although 🅱️ does not carry any context (repository) information, which could be considered later, it can be dismissed.

Cc @svenefftinge @jldec @geropl

Modal with options from the project more actions menu	Modal with options from the CMD+O shortcut

Proposal

Following the suggestion from #15668 (comment):

The options modal should go away and return you to the dashboard when you hit escape. It should also have a close button.

[jldec]

Being unable to dismiss the modal is a bug in the implementation and unfortunately, quite jarring / surprising.

Scheduling and hoping for a quick followup fix please. 🙏
cc: @svenefftinge @selfcontained