Describe the bug

For Query

Match (n) Return count(n), n;

it returns the columns in the order of n, count(n), should be count(n), n;

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
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Environment (please complete the following information):

• GraphScope version: [e.g., v0.1, v0.2.2, master]
• OS: [e.g. macOS, Linux]
• Version [e.g. 10.15]
• Kubernetes Version [e.g., 1.19]

Additional context
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