[Bug]: Review __revit__ variable usage and assignement

[jmcouffin]

✈ Pre-Flight checks

• I don't have SentinelOne antivirus installed (see above for the solution)
• I have searched in the issues (open and closed) but couldn't find a similar issue
• I have searched in the pyRevit Forum for similar issues
• I already followed the installation troubleshooting guide thoroughly
• I am using the latest pyRevit Version

🐞 Describe the bug

assignement of __revit__ variable must be reviewed and discussed

https://github.com/search?q=repo%3Apyrevitlabs%2FpyRevit%20__revit__&type=code

⌨ Error/Debug Message

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♻️ To Reproduce

⏲️ Expected behavior

🖥️ Hardware and Software Setup (please complete the following information)

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Additional context

[jmcouffin]

related #2363

[jaredholloway94]

related #2363

@jmcouffin
I see this PR was merged. What else still needs reviewed/discussed on this issue?

[sanzoghenzo]

related #2363

@jmcouffin I see this PR was merged. What else still reviewed/discussed on this issue?

This: #2351 (comment)