chore(desktop): New Workspace Improvements

[dbpolito]

What does this PR do?

1. Fix full page blink when creating new workspace
2. Remove loading skeleton for new workspaces, as they are empty
3. Make changing workspace reactive the same as session changes

How did you verify your code works?

[github-actions]

Thanks for your contribution!

This PR doesn't have a linked issue. All PRs must reference an existing issue.

Please:

1. Open an issue describing the bug/feature (if one doesn't exist)
2. Add Fixes #<number> or Closes #<number> to this PR description

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[github-actions]

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No duplicate PRs found