chore: fix the misspelled words

[ichisuke55]

When I tested nsxt_converter migration tools, I found some misspelled words on it.
I fixed these words on this PR.

[vmwclabot]

@ichisuke55, you must sign our contributor license agreement before your changes are merged. Click here to sign the agreement. If you are a VMware employee, read this for further instruction.

[vmwclabot]

@ichisuke55, we have received your signed contributor license agreement. It will be reviewed by VMware shortly. Another comment will be added to the pull request to notify you when the merge can proceed.

[mayank-avinetworks]

NS Migration tool UT PASSED
No test results found.

[mayank-avinetworks]

F5 Migration tool UT FAILED
No test results found.

[vmwclabot]

@ichisuke55, VMware has rejected your signed contributor license agreement. The merge can not proceed until the agreement has been resigned. Click here to resign the agreement. Reject reason:

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[ichisuke55]

I have re-send CLA.

[vmwclabot]

@ichisuke55, we have received your signed contributor license agreement. It will be reviewed by VMware shortly. Another comment will be added to the pull request to notify you when the merge can proceed.

[vmwclabot]

@ichisuke55, VMware has approved your signed contributor license agreement.

[mayank-avinetworks]

NS Migration tool UT FAILED
No test results found.

[mayank-avinetworks]

F5 Migration tool UT FAILED
No test results found.

[mayank-avinetworks]

F5 Migration tool UT FAILED
No test results found.

[mayank-avinetworks]

NS Migration tool UT FAILED
No test results found.

[ichisuke55]

I think these unit tests failed not caused this PR.