[Feature][Onboarding] Improve the onboarding session experience

[Startrekzky]

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• I had searched in the issues and found no similar feature requirement.

Use case

We have received some feedback from the community users.

1. Add the 'close' icon on the first page of the onboarding session
   

2. Update the wording from onboard session to onboarding session

3. When creating a project, DORA should be enabled by default
   

Description

See the above desc.

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[Startrekzky]

This should be added to the new beta version of v1.0.0.