DYN-6208 Update Dynamo Website Menu Item behavior

[QilongTang]

Purpose

Clicking on Dynamo Website menu item now goes to dynamobim.org while the new Dynamo Repository menu item goes to dynamo repo (the legacy Dynamo Website menu item behavior).

Declarations

Check these if you believe they are true

• The codebase is in a better state after this PR
• Is documented according to the standards
• The level of testing this PR includes is appropriate
• User facing strings, if any, are extracted into *.resx files
• All tests pass using the self-service CI.
• Snapshot of UI changes, if any.
• Changes to the API follow Semantic Versioning and are documented in the API Changes document.
• This PR modifies some build requirements and the readme is updated
• This PR contains no files larger than 50 MB

Release Notes

Clicking on Dynamo Website menu item now goes to dynamobim.org while the new Dynamo Repository menu item goes to dynamo repo (the legacy Dynamo Website menu item behavior).

Reviewers

@DynamoDS/dynamo

FYIs

(FILL ME IN, Optional) Names of anyone else you wish to be notified of

[github-actions]

See the ticket for this pull request: https://jira.autodesk.com/browse/DYN-6208

[QilongTang]

hi @avidit How to update the Smoke test for menu items?

[avidit]

hi @avidit How to update the Smoke test for menu items?

I will update the test.

[avidit]

LGTM